kits will also include flexplate sb chevychevy sb 355 cubic inch 2-piece rear ... 899.97 chevy sb 383 cubic inch 1-piece rear seal 5.7 ... 899.97 chevy sb 383 cubic inch 2-piece rear seal 5.7 ... 829.97 bb chevychevy bb 460 cubic inch 2-piece rear seal 6. ... listed below part price core 18033 chevy 350 67-85 with a 2 piece rear main seal ... casting 3932442 3932690 3931182 l engine ... 126.67 46.00 18036 chevy 454 70-90 with casting 7416 3521 ... 205.56 230.00 18081 chevy 207/3.4l 91-02 with casting 924 x153 ... 24502170 166.67 57.50 18079 chevy 2.2l 133 cid 90-96 with casting 4618 ... 162.22 57.50 18074 chevy truck 4.3l 262cid 92-97 with hole in #1 ... 154.44 57.50 18060 chevy 4.3l 262cid 86-98 vin z 1-piece rear ... 161.11 86.25 18061 chevy 4.4l 267cid 79-82 with casting 3932442 ...
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best choice for all-around performance engines these are all hydraulic flat tapped ... ht817rb 1955-86 chevy v8 3.56 ea ... 60 s and 70 s muscle cars small block chevy cs179r 327 cid 350 hp l79 hyd gm ... lift 76.58 big block chevy cs165r 454 cid 465 hp ls-7 mech gm ... you need to rebuild your small block chevy head chrome moly retainer hardened 11/ ... 66902 range 1.6 2.100 for most v-8 engines 48.97 66903 range 1.4 1.8 for ... most 4 6 cyl engines 48.97 valve spring height micrometer 0 ... 95.97 small block chevy valve springs s/b chevy stock vs677 ... 2.12 each s/b chevy up to .480 lift vs739r ... valve spring kit for small block chevy with up to .500 lift cam these springs ... street applications where the heads are not removed and machined for larger ...
gaskets sb chevy gasket set carburetor base gaskets ... 4.99 ultra-seal intake manifold gaskets engine rebuilder overhaul gasket kit fits 1957 ... -1979 small block chevy 265-350 engines except 305 engines with light weight ... heads this set contains the following gaskets ... with today s aluminum cylinder heads and intake manifolds with small sealing ... different expansion rates of cylinder heads and intake manifolds this gasket is the ... these difficult sealing applications sb-chevy ultra seal 5820 302-400 stock ports ... x-lg port 1.38 x2.38 17.99 bb-chevy ultra seal 5827 all w/oval port ... thorley 3 1/2 14.99 more engine rebuilder overhaul gasket kits make amc ... 7042g oldsmobile 7140 pontiac 7145 ford engine 390-401 350 400-455 year 67-78 54 ... .99 71-81 52.99 63-78 49.99 headsaver® spacer shims these .020 thick dead ...
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gaskets engine master pro-series gaskets for sb chevy ... 6.99 sb chevy intake manifold gaskets synthetic ... sealing port sizes for perf and racing engines most sets with blue stripe cork/rubber ... end strips s/b chevy embossed perma torque blue stripe 1204 ... sbc 262-400 v8 engines 14.99 embossed steel ... thickness .060 fits oe and aftermarket heads 1256 sbc 262-400 v8 engines ... thickness .060 fits oe and aftermarket heads 1205 sbc 262-400 v8 engines ... thickness .060 cast iron or aluminum heads 1206 sbc 262-400 v8 engines ... thickness .060 cast iron or aluminum heads 1266 sbc 262-400 v8 engines ... thickness .120 fits oe and aftermarket heads 1207 sbc 262-400 v8 engines ... thickness .060 fits oe and aftermarket heads 1209 sbc 262-400 v8 engines ...
crate engines crate engine quick reference chart chevy small-block ... 12499529 350/290 hp economy performance engine 19201328 350 ho turn-key with iron ... vortec heads 19201329 350 ho deluxe with iron vortec ... heads 12486041 350 ho base with iron vortec ... heads 19201330 zz4 350 turn-key with ... aluminum heads 24502609 zz4 350 base with aluminum ... heads 12561723 zz4 350 partial engine 12499120 ram jet 350 pfi with iron ... vortec heads 19201331 fast burn 385 turn-key with ... aluminum vortec heads 12496769 fast burn 385 base with ... aluminum vortec heads 12499101 ht383 base performance engine ... 12499106 383 partial engine 17800393 ht383e 12498772 zz383 with ... aluminum vortec heads ls family small-block v-8 part number ... description 19165628 ls327/327 17801267 ls1 5.7l without ecu and wire ...
Engine Kits Ford Engine Kits A thirty (.030) overbore 302 ... 93.91 351W Car Carb, EFI 87-91 119.43 327.81 128.83 351W Truck 75-76 99.67 307.65 ... 76 128.83 351W Truck 6/1/87-93 119.43 327.81 128.83 351W Truck Roller 94-97 168.92 ... 124.99 How to Rebuild Small Block Ford Engines HP89 ... 18.99 d Engine Feet The slickest, most versatile ... engine stand/dolly youve ever seen. Strong ... . Made in the USA. 1101 Small Big Block Chevy . . . . .$84.99 2201 Small Block Ford ...
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Valve Springs Made for Small Block Chevy camshafts with up to .585" gross valve ... Valve Spring Kit For Small Block Chevy with up to .500" lift cam. These ... street applications where the heads are not removed and machined for larger ... nearly all valve-in head and L-head engines as well as truck and tractor engines. ... 52.99 Small Block Chevy Valve Springs RV880X Stock ... Hardened Spring Retainers Small Block Chevy VSR7000R . . . . . . . . .$2.99 each ... 99.99 Small Block Chevy Valve Springs S/B Chevy Stock VS677 ... 1.49 each S/B Chevy up to .480 lift VS739R ... you need to rebuild your small block Chevy head. Chrome moly retainer, hardened 11 ... 66902 Range: 1.6"-2.100" (for most V-8 Engines) . . . .$49.99 66903 Range: 1.4 1.8 ( ... for most 4 6 cyl. Engines) $49.99 Stud Mount Valve Spring ...
CRATE ENGINES SMALL-BLOCK A 350 thats been stepped up ... car with our 350 HO Turn-Key crate engine! Its packed with all the features you ... , all of the components used in this engine are brand new not remanufactured parts ... to sell you. Designed by our in-house engineers to give you maximum return for your hot ... great choice for your small-block crate engine needs. The 350 HO is based on a tough, ... Chevy four-bolt block that holds a strong ... . The high-lift camshaft gives the engine its own unique, aggressive idle. The ... the same one found in 1965-67 Corvette 327engines, but it has even more lift and ... you need for a complete, running engine right out of the crate. We ship it ... installed). The 350 HO Turn-Key crate engine offers you an incredible performance ... be used with long blocks and partial engines with steel camshafts, or engine damage ...
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CRATE ENGINES CIRCLE TRACK Competitive and durable ... , 350-cubic-inch factory-sealed racing engine is a tough combination of power and ... on GM Performance Parts popular 350 HO engine, including a brand-new, four-bolt-main ... crankshaft and GM iron Vortec cylinder heads, the 350/350 Factory Stock version ... on the one found in 1965-67 Corvette 327engines, but with more lift and ... duration to clear the engine exhaust quickly and move in more air ... an HEI distributor the 350/350 racing engine has the proven parts and horsepower to ... is your job! WHATS HOT? Vortec cylinder heads High-rise, dual-plane intake Dual- ... NOTE: Distributor included with 350/350 engine has melonized steel gear P/N 10456413. ... This MUST be used with engines with steel camshafts, or engine damage ... or remanufactured parts in this crate engine. CIRCLE TRACK 350/350 TECH SPECS: Part ...
resources of pro topline cylinder heads in combination with the industry s ... largest engineering team and the most advanced cylinder ... box performance pro topline cylinder heads are now known as rhs in combination ... with the industry s largest engineering team and the most advanced cylinder ... are the days of purchasing new cylinder heads only to discover that extensive final ... pro actiontm 23° small block chevy ready to go right out of the box these ... heads all feature bronze guides multi-angled ... 1.550 springs pro actiontm big block chevy rhs bb chevyheads are tremendous ... race and powerboat applications these heads offer more features higher flow ... yielding more hp for your big block chevy pro actiontm small block ford windsor ... rhs brings advanced engineering proven performance and unsurpassed ...
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edelbrock cylinder heads cast at the ultramodern edelbrock ... aluminum foundry edelbrock heads are made from a356 aluminum and heat ... of accuracy features for all edelbrock heads include threaded inserts in rocker ... gasket seal and all edelbrock heads are designed to accept high-lift cams ... performer rpm heads for amc/jeep edelbrock now offers power ... -91 amc and jeep 343 360 390 and 401 engines features an efficient 54cc dual-quench ... step washer kit for 1969 and earlier engines with 7/16 head bolts no exhaust ... complete #60119 60119 performer rpm heads for chevrolet designed for non- ... emissions 302 327 350 and 400 c.i.d engines up to 1986 these heads made 420 ... rpm power package for small-block chevy s performer rpm heads with 64cc ... are required description sb sb sb sb chevychevychevychevy straight plugs 64cc ...
in a performance street racing engine application part no 5820 5821 5822 5812 ... plymouth 68 89 340-360 1/16 thick 4bbl heads 1.17w x 2.27h pontiac 65-79 326-455 1/ ... 85h all 265-400 brodix spread port alum heads 1.65w x 1.60h all 265-400 late ... blackjack cyclone oval port heads 1.50w x 1.82h all 396-502 stock square ... swell of the gasket when exposed to hot engine oil once swelling is achieved at a ... thickness will not decrease with lower engine temperatures designed with very high ... chevrolet 1957-1974 265 283 302 307 327 350 400 1975-1979 262 267 305 350 400 ... 350 1965-1988 396 427 454 502 1986-1996 chevy small block 1 piece gasket 1975-1985 ... chevy small block 1 piece gasket 1991-1998 ... chevy big block 1 piece gasket ford 1963- ...
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accessories cooling system accessories engine components ignition and electrical ... and suspension and driveline components engine port polishing kit designed for use on ... polishing and flash removal on all engine parts with the use of an electric drill ... part no 4362 engine oil primer priming the engine is an ... should be taken before you start the engine for the first time engineered to fit ... operate with an electric hand drill the engine oil primer pressurizes the oil system ... of vital bearing surfaces part no 3795g chevy v8 6 cyl pontiac v8 engine cleaning ... nylon and suitable for all makes of engines this kit is a must for all pre- ... oal part no 1211 short brush kit deluxe engine cleaning brush kit serious engine ... the holes and passages found in most engines includes 6 brushes 5/16 1/2 and 5/8 ...
pro torker cast iron 1.94/1.50 cylinder heads paw/rhs high performance small block ... chevy 1.94/1.50 ssi stainless steel valve ... cylinder heads fully assembled by paw · your choice ... or 76cc combustion chamber cylinder heads · clean cast technologytm delivers ... enhanced airflow performance · all heads come with screw-in rocker studs · ... specifications · paw pro torker heads accept both perimeter and center-bolt ... performance valve seals application sb chevy model new rhstm pro torker cast iron ... cylinder heads application hydraulic cam hydraulic cam ... pair upgrade option opt 400 machine heads for steam holes $40 additional per ... per pair amust drill steam holes in heads if using sbc 400 block not for use on ... 305 engines material cast iron cast iron 1986- ... earlier 327 350 400 a sb torker chevrolet stock ...
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pawengineparts.com edelbrock cylinder heads street legal street highperformance ... heads · bolt-on edelbrock performance for amx ... 1967-1991 343 360 390 and 401 c.i.d amc engines street legal street highperformance ... aluminum cylinder heads performer s/b chevy performer performer rpm amc · 54cc ... a direct bolt-on for 1970 and later engines with 1/2 head bolts these heads ... include step-dowel pins for pre-1970 engines use edelbrock step washer kit ede-9693 ... on 1967-69 engines with 7/16 head bolts street legal ... and performer manifolds with performer heads choke kit ede1932 is required · ... designed for 302 327 350 and 400 c.i.d engines up to 1986 · heads with 64cc combustion ... smallblocks street legal performer heads wtih exhaust crossover port intake ...
transid/engineid/truckhis tory howtoidentifyyourtransmis ... transmission th400modulator location engineidentification chevrolettruck chevroletblazer 1967-72 ... 1969-72 the 6-cylinder engine numbers are stamped on a pad on the ... right side of the engine at the rear of the distributor the v-8 ... engine numbers are stamped on a pad ... forward of the right hand cylinder head 327cidv8-c10,k10,c20,k20 year 1967 1968 ... engineidentificationcodes ys yr yc yd yj yh yb yx ym yk yv yc yd ... , c20,k20,suburban year 1967 1968 1969 engineidentificationcodes sv sw sx ta te tf tc td ta pf te tt pv ... tpw tps tpr tly tjd tcd tct tcl tcp tpx engineidentificationcodes za zb zd zf zc ze zi zg zh zj ws wr vb ... only 2 barrel carburetors for 350 engines are included in this catalog ... availability of 350 2 barrel engines in c10 and c20 pickups may have been ...
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1968-71 chevroletsuburban 1968-71 engine harmonicbalancer,pulleran dinstaller ... remove the harmonic balancer from your engine without risking damage to the engine ... and metric thread sizes to work on most engines call or go online and order yours today ... -0329 description and application front engine mount 396 402 2wd reqd 68-71 2 list 99. ... install the harmonic balancer on your engine the right way the threaded forcing ... adaptors for use on a wide range of engines call or go online and order yours today ... 250 chevy gmc 67-72 1 292 chevy gmc 67-72 1 283 chevy gmc 307 chevy gmc ... harmonic balancer harmonic balancer engineandtransmissionmoun ts harmonic balancer 2bbl carb 350 ... chevy gmc 69 1 harmonic balancer 4bbl carb ... 350 chevy gmc 69-72 1 harmonic balancer harmonic ...
pro master catalog edelbrock cylinder heads cast at the ultramodern edelbrock ... aluminum foundry edelbrock heads are made from a356 aluminum and heat ... of accuracy features for all edelbrock heads include threaded inserts in rocker ... gasket seal and all edelbrock heads are designed to accept high-lift cams ... performer rpm heads for amc/jeep edelbrock now offers power ... -91 amc and jeep 343 360 390 and 401 engines features an efficient 54cc dual-quench ... step washer kit for 1969 and earlier engines with 7/16 head bolts no exhaust ... complete #60119 60119 performer rpm heads for chevrolet designed for non- ... emissions 302 327 350 and 400 c.i.d engines up to 1986 these heads made 420 ... rpm power package for small-block chevy s performer rpm heads with 64cc ... required description #60899 sb sb sb sb chevychevychevychevy straight plugs 64cc ...
Notes Number Ring Set Ring Se t 400 Engine Block Standard Bore 4.125 x Standard ... (Rings Sold Seperately) SMALL BLOCK CHEVY Cubic Bore Over Stroke Rod Comp Dome ... Notes Number Ring Set Ring Se t 302 Engine Block Standard Bore 4.000 x Standard ... S 202890 J100F8-4030-5 S100S8-4030-5 327Engine Block Standard Bore 4.000 x ... 147754 J100F8-4060-5 S100S8-4060-5 302/327 DOME Forged from Premium 2618 aluminum ... Designed for use with most popular 23o heads 927-2750-150 wall wrist pin (130 grams ...
power pkg kits superchargers crate engines carbs access fuel pumps gaskets ... install items manifolds efi heads cams access nitrous water pumps access ... shocks qwikdata index small-block chevy cylinder heads s/b chevy street legal ... performer and performer rpm s/b chevy · designed for 302 327 350 and 400 c.i. ... d engines up to 1986 · heads with 64cc combustion chambers improve ... small-blocks street legal performer heads chamber size intake port size valve ... carbs performer manifold with above heads choke kit #1932 is required performer ... on pages 168-169 for specs for all heads use edelbrock head gasket sets on page ... 48 performer rpm chevyheads available with angled plugs or straight ... plugs performer and performer rpm chevyheads available with 64cc or 70cc ...
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access water pumps nitrous cams access heads efi manifolds install items gaskets ... fuel pumps carbs access crate engines superchargers kits power pkg cylinder ... heads small-block chevy e-tec s/b chevy street legal street high-performance ... originally equipped with aluminum heads · accepts edelbrock elite series ... -blocks e-tec 170 head #60979 e-tec heads have .200 raised exhaust port exits for ... 1.60 valves edelbrock e-tec · for 302 327 350 400 c.i.d s/b chevys with vortec- ... .200 taller than standard small-block chevyheads · spark plugs positioned closer ... exits are .200 higher than standard heads · match with an edelbrock vortec ... mouse delivers 485 hp with e-tec heads the danger mouse project was featured ... in the december 04 issue of super chevy magazine the 355-inch chevy cranked out ...
power pkg kits superchargers crate engines carbs access fuel pumps gaskets ... install items manifolds efi heads cams access nitrous water pumps access ... shocks qwikdata index small-block chevy cylinder heads s/b chevy street legal ... performer and performer rpm s/b chevy · designed for 302 327 350 and 400 c.i. ... d engines up to 1986 · heads with 64cc combustion chambers improve ... small-blocks street legal performer heads chamber size intake port size valve ... carbs performer manifold with above heads choke kit #1932 is required performer ... on pages 168-169 for specs for all heads use edelbrock head gasket sets on page ... 48 performer rpm chevyheads available with angled plugs or straight ... plugs performer and performer rpm chevyheads available with 64cc or 70cc ...
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access water pumps nitrous cams access heads efi manifolds install items gaskets ... fuel pumps carbs access crate engines superchargers kits power pkg cylinder ... heads small-block chevy e-tec s/b chevy street legal street high-performance ... originally equipped with aluminum heads · accepts edelbrock elite series ... -blocks e-tec 170 head #60979 e-tec heads have .200 raised exhaust port exits for ... 1.60 valves edelbrock e-tec · for 302 327 350 400 c.i.d s/b chevys with vortec- ... .200 taller than standard small-block chevyheads · spark plugs positioned closer ... exits are .200 higher than standard heads · match with an edelbrock vortec ... mouse delivers 485 hp with e-tec heads the danger mouse project was featured ... in the december 04 issue of super chevy magazine the 355-inch chevy cranked out ...
chevyengine types covered small block v8 big block ... small block v8 rods shaft rockers ford engine types covered shaftrockers chevy small ... block v8 probe industries engine ratio head manfacturer bearings ... shaft system for big block chevrolet engines feature lightweight but strong 2024 t- ... fit all stock and aftermarket cylinder heads with stock rocker boss to valve ... line edelbrock pro comp brodix dart heads cylinder heads using .250 long intake ... long exhaust valves it fits canfield heads with no modifications and easily ... available for lifts over .700 item code 327 350 400 327 350 400 327 350 400 327 350 ... 400 327 350 400 327 350 400 327 350 400 327 350 400 327 350 400 327 350 ... 14749 big block v8 probe industries engine ratio head manfacturer bearings ...
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chevyengine types covered small block v8 big block ... v8 ford engine types covered studgirdles stud girdles ... item 11348 small block v8 big block v8 chevy small block v8 probe industries eng ... head manfacturer material item code 327 350 400 327 350 400 327 350 400 327 350 ... 400 327 350 400 327 350 400 3/8 3/8 7/16 7/16 7/16 7/ ... .75 0.75 afr 180/190/195 gm stock world heads with standard spacing chevy bowtie ... world dart iron eagle pontiac brodix heads all with standard spacing afr 180/190/ ... 195 gm stock world heads with standard spacing afr 210 canfield ... heads with 60-40 split afr 220 dart 220-350d ... heads with 60-40 split chevy bowtie world dart iron eagle pontiac ... brodix heads all with standard spacing 6061 t6 ... 454 7/16 0.75 iron eagle merlin stock heads 6061 t6 aluminum 11337 ford small block ...
gaskets engines ump rear main seals internal components ... · ideal for 9:1 compression cast head engine part description price mrg 1130 sold ... gasket set · 1955 and newer small block chevy up to 4.165 bore and 600 hp performance ... engines contains rubberized fiber universal ... part price fm 260-1000 $41.99 ·327/350/383,1962-1987gas ketkit fm 260-1016 ... kits contain more aftermarket specific engineering than any other aftermarket kit ...
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cylinder heads street legal street high performance ... small block chevy cylinder heads · performer rpm s/b chevy · ... designedfor302,327,350and400c.i.d.enginesengines internal components fasteners ... pit trailer accessories upto1986 · headswith64cccombustionch ambersimprove performance and retain ... edelbrock e-tec · · · · · · · for302,327,350&400c.i.d.s /bchevyswith vortec-style manifolds ... price $567.41 each $754.04 each · bare heads will have valve guides and seats ... · to use stock rockers on smallblock chevyheads .100 longer than stock pushrods ... are required · s/b chevyheads may not be used on engines with less ...
an intake manifold to add muscle to any engine action plus manifold this 180° dual- ... with larger cam profiles application sb chevy non-egr sb chevy 87-up non-egr bb chevy ... 6800 rpm works very well with modified engines application chevy sb ford 429-460 ford ... upper rpm range a must have for serious engines application part no 7530 7531 7523 7521 ... 4150 chevy sb 1957-86 262 283 305 327 350 400 v8 1987-later w/alum heads ... chevy bb 396-502 oval ports chevy bb 396-502 rectangular ports part no ... hone to feed hungry modified ls1 engines the aluminum manifold s thicker walls ... or other modifications application chevy ls1 v8 satin finish chevy ls1 v8 ... cfm holley hp application ford 351c 2v heads ford 221-302 exc boss part no 300-111 ... imca rulebook under stock car and engine specifications the 7547-1 manifold is ...
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designs optimized for today s bigger engines industry leading computational fluid ... 4.50 application 1975-86 262-400 sb chevy v8 1987-later w alum heads 262-400 sb ... using 1996 later vortec l31 iron heads satin 8120 8121 polished 8120p 8121p ... torque hp for stout street/strip engines fully cnc machined for a perfect fit ... 27 application 8150 1975-86 262-400 sb chevy v8 1987-later w alum heads 262-400 sb ... using 1996 later vortec l31 iron heads satin 8150 8151 polished 8150p 8151p ... and promote airflow between the hot engine and the intake application 8501 1975-86 ... 262-400 sb chevy v8 1987-later w alum heads 262-400 sb using 1996 later vortec l31 ... iron heads satin 8501 8502 polished 8501p 8502p ... 8501c 8502c 7620 team g big block chevy race manifolds features open plenum/ ...
specials deluxe engine rebuild kit specials amc 258 6 cyl 71 ... z 87 90 260.00 283 sb chevy 185.00 292 6 cyl ... rod bearings main bearings oil pump engine gasket set and timing chain set ... v8 68 73 145.00 327 large journal crank v8 68 69 130 ... .00 327 small journal crank v8 62 67 165 ...
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pro torker cast iron 1.94/1.50 cylinder heads paw/rhs high performance small block ... chevy 1.94/1.50 ssi stainless steel valve ... cylinder heads fully assembled by paw · your choice ... or 76cc combustion chamber cylinder heads · clean cast technologytm delivers ... enhanced airflow performance · all heads come with screw-in rocker studs · ... specifications · paw pro torker heads accept both perimeter and center-bolt ... performance valve seals application sb chevy model new rhstm pro torker cast iron ... cylinder heads application hydraulic cam hydraulic cam ... pair upgrade option opt 400 machine heads for steam holes $40 additional per ... per pair amust drill steam holes in heads if using sbc 400 block not for use on ... 305 engines material cast iron cast iron 1986- ... earlier 327 350 400 a sb torker chevrolet stock ...
access water pumps nitrous cams access heads efi manifolds install items gaskets ... fuel pumps carbs access crate engines superchargers kits power pkg manifolds ... s/b chevy performer 86 earlier idle-5500 rpm ... 1955-86 262-400 c.i.d small-block chevys #2101 is stock replacement/street legal ... part for 302 327 and 350 v8s with oem 4-bbl or edelbrock ... #1400 carb 1972-86 and gm corporate engines with 350 v8s 1981-86 performers accept ... not for 1987 and later cast iron or chevy bowtie heads will fit 1987 and later ... stock aluminum heads available with standard finish or ... is required with #3701 on centerbolt heads with 1986 earlier bolt pattern choke ... camshaft lifters 172-175 cylinder heads 140-171 valve springs 179 roller ... for 1987-95 cast iron cylinder heads idle-5500 rpm designed for street 262- ...
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power pkg kits superchargers crate engines carbs access fuel pumps gaskets ... install items manifolds efi heads cams access nitrous water pumps access ... nascar performance product s/b chevy manifolds 3500-7500 rpm street tunnel ... ram designed for 302-327-350-400 c.i.d small-block chevy v8s operating ... torque is not a prime factor great for engines with slightly modified heads will not ... fit 1987 and later cast iron heads use with cam kit #5002 for low-end ... designed for 1955-86 262-400 c.i.d s/b chevys this dual-quad is low profile for hood ... -quad manifold #5426 is designed for chevy v8s with 1996 and later vortec l31 cast ... iron or the edelbrock e-tec aluminum heads an external water bypass boss is ... use on 1996 and later vortec production engines carb center to carb center 6-7/16 use ...
