81 results for used 350 chevy aluminum cylinder heads found in 0.000 seconds

crate engines small-block 350/290 hp crate engines small-block ... and it s easy to understand why the 350/290 hp small-block features four-bolt ... your budget camaro project inside the 350/290hp are quality parts including a ... camshaft and durable aluminum pistons that squeeze an 8.5:1 ... compression ratio we deliver the 350/290hp in base form allowing you to add ... has all the components to build up the 350/290 hp into a high-performance great- ... looking street engine too from an aluminum intake and carburetor we recommend the ... your old engine by ordering the 350/290 hp and finishing it to your own ... for selection of chrome polished and aluminum valve covers · pre-1986 style 2-pc rear ... use in vehicles with 6000 gvw or less 350/290 hp dyno chart possible applications ... -legal check state and local ordinances 350/290 hp tech specs part number engine ...

crate engines small-block 350 ho turn-key crate engines small-block ... 19201328 the classic 350 combination only with more power crate ... t come more complete than the classic 350 ho turn-key rated at a strong 330 ... machine street rod or off-roader the 350 ho features a tough four-bolt main ... cylinder block torque-building vortec iron heads ... 0.435/0.460 lift specs which gives the 350 ho an aggressive idle that sounds ... a set of cragar s/s wheels because the 350 ho is a turn-key crate engine it comes ... small-block style four-bolt main cylinder block intake carb and distributor ... marine applications 19201329 12486041 350 ho deluxe like the 350 ho turn-key ... crate engine the 350 ho deluxe is rated at 330 horsepower ... are included but not installed 350 ho base all the same important power- ...

15 Crate Engine Quick Reference Chart CHEVY SMALL-BLOCK V-8 LS SERIES SMALL-BLOCK ... V-8 CHEVY BIG-BLOCK V-8 RPO, GM V-6 RPO, ... NORTHSTAR V-8 RPO, GM ECOTEC FOUR CYLINDER Part Number Description Engine Size ... Torque Page 12499468 4.6 Northstar VVT Used in Cadillac XLR and SRX 4.6L 320 310 ... 128 17802896 LC3 Northstar Used in Cadillac STSV and XLRV 4.4L 469 439 ... Engine Size HP Torque Page 12499529 350/290 HP Economy Performance Engine 350 ... cu in 290 326 26 12499711 350 HO Turn-Key with Iron Vortec Heads 350 ... cu in 330 380 30 12496968 350 HO Deluxe with Iron Vortec Heads 350 cu ... in 330 380 32 12486041 350 HO Base- with Iron Vortec Heads 350 cu ... 330 380 32 12499712 ZZ4 Turn-Key with Aluminum Heads 350 cu in 355 405 34 24502609 ...

in the GM Performance Parts lineup! The 350/290 HP is the most popular GM ... quality GM V-8 without going broke. The 350/290 is an answer to those car crafters ... , dont think that its a stone. The 350/290 delivers 290 hp 5100 rpm and a ... with a small-block. Got a tired, old Chevy that needs a lift? This is the crate ... engine for you. Weve also loaded the 350/290 with a four-bolt main bearing block ... , aluminum pistons, and a hydraulic camshaft. The ... cast iron cylinder heads are designed to be extremely durable ... good airflow through the engine. The 350/290 will ship to you as a Base-level ... youll have no problem finishing off the 350/290 in style and affordably. WHATS HOT ... performance Four-bolt mains 12499529 350/290 HP 350/290 HP TECH SPECS: Part ... Number: 12499529 Engine type: Chevy small-block V-8 Displacement (cu in): ...

gaskets sb chevy gasket set carburetor base gaskets ... gasket kit fits 1957-1979 small block chevy 265-350 engines except 305 engines with ... light weight heads this set contains the following gaskets ... problems encountered with today s aluminum cylinder heads and intake manifolds ... ports and different expansion rates of cylinder heads and intake manifolds this gasket ... these difficult sealing applications sb-chevy ultra seal 5820 302-400 stock ports ... 1962-up 15.99 5851 305/350 w/tpi stock ports 1986-92 21.99 ... x-lg port 1.38 x2.38 17.99 bb-chevy ultra seal 5827 all w/oval port ... 7140 pontiac 7145 ford engine 390-401 350 400-455 year 67-78 54.99 68-81 ... 36.99 67-76 47.99 265-350 57-79 19.99 283-350 57-74 ...

conditions can cause problems sb chevy 1602 fel-coprene rubber 1/64 .156 ... -lam w/steel core 1/4 .250 36.99 bb chevy 1605 fel-coprene rubber 1/64 .156 ... 351c 351m and 400 1/4 thick 36.99 s/b chevy head gaskets fel-pro s performance head ... maintains contact pressure between the cylinder head and block seals combustion oil and ... loads strategically across the entire cylinder head for optimized sealing head gaskets ... steel wire ring head gasket cast or aluminum heads 4.166 .041 9.1cc $34.99 1004 ... steel wire ring head gasket cast or aluminum heads 4.190 .041 9.2cc $34.99 1014 ... steel wire ring head gasket cast or aluminum heads steam holes for 400 4.200 .039 ... 9.0cc $33.99 1074 sb chevy except 400 pre-flattened copper wire ... lt4 4.125 .039 8.7cc $35.99 1043 sb chevy except 400 pre-flattened steel wire ...

black finish 922g 610 5/16 44.97 for aluminum rocker arms chevrolet 283-400 small ... 183.97 oldsmobile 1441-kit oldsmobile 350 and 403 v8 1.6 magnum rockers guide ... 8 45.97 small block chevy part head stem installed o/a tip top of ... 56.97 small block chevy part head stem installed o/a tip top of ... 16-pc rocker stud sets 66870c 3/8 sb chevy ford 18.97 66871c 7/16 sb and bb ... chevy 27.97 gm gen iii /ls1/ls2/ls6s ... up to 625 lift with no machine work to cylinder heads part seat load open load coil ... 83.97 small block chevy part head stem installed o/a tip top of ... 3415 stock 4.911 .250 7° dish big block chevy your cost set of 8 ... 5° dish 10717-8 exh 1.725 .3715 stock 5.350 .220 5° dish 10727-8 exh 1.88 .3715 ... stock 5.350 .220 5° dish screw-in studs mr1910rs 7/ ...

steel street valves small block chevy v1199 1.50 exhaust 4.54 ea v1926 ... .72 intake 4.42 ea v4345 gm trk 350 5.7l vin k 96-02 1.50 exh 13.92 ea ... v4344 gm trk 350 5.7l 96-02 1.937 int 13.64 ea ... v1904 gm trk 350 4.3l 90-95 1.50 exh 4.94 ea ... v1926 gm trk 350 4.3l 90-95 1.94 int 4.48 ea big ... block chevy v1911 1.72 exhaust ... int 16.17 ea small block chevy swirl-polished valves v4231 1.60 ... stem locks per set of 8 small block chevy 45600-8 1.94 intake ... exhaust big block chevy 45620-8 2.065 intake ... defects carbon gum and corrosion can be used for lapping and grinding chromium mixes ... and 18mm spark plug threads commonly used when valve springs or valve stem seals ... magnetic deck bridge this will go over cylinder bores up to 41/2 this is used to check ...

678-3000 pawengineparts.com edelbrock cylinder heads street legal street ... highperformance heads · bolt-on edelbrock performance for amx ... street legal street highperformance aluminum cylinder heads performer s/b chevy ... engines with 1/2 head bolts these heads include step-dowel pins for pre-1970 ... 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 chambers imede- ... smallblocks street legal performer heads wtih exhaust crossover port intake ... exhaust valves · designed for 1987-1995 chevy 5.7l engines originally equipped with ... maintains stock compression ratio when used with the recommended head gasket · ... accepts stock centerbolt or edelbrock aluminum valve covers ede-4246 and ede-4247 · ...

678-3000 pawengineparts.com edelbrock cylinder heads street high-performance heads ... performer rpm s/b chevy street legal street highperformance ... aluminum cylinder heads sb chevy e-tec · designed for 302 327 350 and ... 400 c.i.d engines up to 1986 · heads with 64cc combustion chambers improve ... sizes in/ex ede-60719 · for 302 327 350 and 400 c.i.d small-block chevys with ... .200 taller than standard small-block chevy heads · spark plugs positioned closer ... to the center of the cylinder for more efficient combustion · exhaust ... exits are .200 higher than standard heads · match with an edelbrock vortec ... manifold sb chevy e-tec 170 complete single ede-60719 ede ... more exhaust flow than cast iron vortec heads good power up to 6000 rpm · 64cc ...

access water pumps nitrous cams access heads efi manifolds install items gaskets ... 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 ... replacement/street legal part for 305 350 and 400 v8s with oem 4-bbl or edelbrock ... 1972-86 and gm corporate engines with 350 v8s 1981-86 performers accept late- ... 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 ... -plus camshaft lifters 172-175 cylinder heads 140-171 valve springs 179 ... 200 performer for 1987-95 cast iron cylinder heads idle-5500 rpm designed for street ...

access water pumps nitrous cams access heads efi manifolds install items gaskets ... kits power pkg manifolds s/b chevy matching edelbrock parts for #3704 ... page no performer centerbolt cylinder heads 50 state street legal 140-171 ... idle-5500 rpm designed for 1985-92 305/350 c.i.d s/b chevys with tuned port ... injection with stock heads the high-flo system makes an 18-20 hp ... replacement/street legal parts for 305/350 v8s with t.p.i 1985-88 #3891 3893 are ... replacement/street legal parts for 305/350 v8s with t.p.i 1989-92 not for lt1 ... t.p.i system 1985-88 with aftermarket heads includes #3861 3892 high-flo t.p.i ... system 1989-92 with aftermarket heads includes #3861 3893 installation notes ... to clear centerbolt valve cover heads #3861 is for all other heads high-flo ...

large race ports 69-76 302-400 brodix aluminum head no seals 1.38w x 2.25h 65-88 396- ... 88 396-502 no seals 1.75w x 2.50h edp heads 65-88 396-502 1/8 thick no seals 1.75w ... x 2.50h edp heads chrysler/dodge/plymouth 64-89 273 340 ... 360 4 bbl heads 1.17w x 2.27h 66-69 273 2 bbl heads ... 318 67-89 1.05w x 2.07h 58-78 350 361 383 400 413 426 wedge 440 stock ... sj 2.23w x 2.60h oldsmobile 64-67 330 350 68-76 65-69 400 425 65-67 455 68-76 ... pontiac 65-67 301 350 68-77 389-455 65-79 1.11w x 2.03h ... 12w x 1.48h 69-74 302 boss 351c w/4 bbl heads 1.90w x 2.20h 70-74 351c 351m 400 w/2 ... bbl heads oval port 1.58w x 1.96h 87-95 302 5.0l ... port 1.25w x 2.08h oldsmobile 64-67 330 350 68-76 400 65-69 425 65-67 455 68-76 ... 550a intake gasket sets for performance cylinder heads a blend of nitrile rubber and ...

application part no chevrolet all 265-350 flexible graphite core coldseal ... 5800 5801 5802 multi-layer steel mls cylinder head gasket seals extreme cylinder ... and create a tight leak-proof seal from cylinder head to engine block withstands ... shearing forces created from b-metal aluminum/iron aluminum head and cast iron block ... 3165g 3166g 3167g 3168g 3169g 3170g chevy 350 lt1 92-97 gasket bore 4.040 .040 ... thickness chevy 350 lt1 92-97 gasket bore 4.100 .040 ... thickness chevy 350 ls1 97-03 gasket bore 4.125 .054 ... thickness chevy 350 ls1 97-03 gasket bore 4.160 .054 ... thickness chevy 350 ls1 97-03 gasket bore 4.190 .054 ... thickness chevy gen v vi 7.5-8.2l 91-99 gasket bore 4. ... 370 .040 thickness chevy gen v vi 7.5-8.2l 91-99 gasket bore 4. ...

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 chevy heads available with angled plugs or straight ... plugs performer and performer rpm chevy heads available with 64cc or 70cc ... performer and performer rpm s/b chevy heads are available bare or assembled with ...

access water pumps nitrous cams access heads efi manifolds install items gaskets ... engines superchargers kits power pkg cylinder heads small-block chevy e-tec s/b ... chevy street legal street high-performance ... convertibles originally equipped with aluminum heads · accepts edelbrock elite series ... aluminum valve covers #4246 4247 stock ... -blocks e-tec 170 head #60979 e-tec heads have .200 raised exhaust port exits for ... valves edelbrock e-tec · for 302 327 350 400 c.i.d s/b chevys with vortec- ... .200 taller than standard small-block chevy heads · spark plugs positioned closer ... to the center of the cylinder for more efficient combustion · accepts ... 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 ...

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 chevy heads available with angled plugs or straight ... plugs performer and performer rpm chevy heads available with 64cc or 70cc ... performer and performer rpm s/b chevy heads are available bare or assembled with ...

access water pumps nitrous cams access heads efi manifolds install items gaskets ... engines superchargers kits power pkg cylinder heads small-block chevy e-tec s/b ... chevy street legal street high-performance ... convertibles originally equipped with aluminum heads · accepts edelbrock elite series ... aluminum valve covers #4246 4247 stock ... -blocks e-tec 170 head #60979 e-tec heads have .200 raised exhaust port exits for ... valves edelbrock e-tec · for 302 327 350 400 c.i.d s/b chevys with vortec- ... .200 taller than standard small-block chevy heads · spark plugs positioned closer ... to the center of the cylinder for more efficient combustion · accepts ... 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 ...

components gold race extruded aluminum roller rocker arms crane aluminum ... rockers have been used in street machines street rods and tow ... or in sets description part no chevy sb 1.60 ratio 7/16 stud increased ... with enlarged stud diameter 11752-16 chevy bb 396-502 1.70 ratio 7/16 stud stock ... ratio standard stud diameter 13750-16 chevy bb 396-502 91-00 454-502 gen v vi 1. ... balls and adjusting nuts description chevy chevy chevy chevy v8 v8 v8 v8 55-87 55- ... 87 88-98 65-90 262-400 262-400 305-350 396-454 1.5 1.6 1.5 1.7 ratio ratio ... springs over 1.520 o.d description chevy 90° v6 78-87 200-262 chevy v8 55-87 262 ... w/extra long slot includes kool nuts chevy v8 65-90 396-454 502 stock ratio with ... billet heat-treated gold anodized aluminum main body · machined steel micro ...

115 lb seat pressure 1.750 height 350 lb open pressure 1.175 height for hyd ... reduce friction description solid type chevy v8 s 262-400 90° v6 chevy big block ... needle bearing chevy v8 s 262-400 90° v6 chevy v8 s 396-454 ... sets include 8 guideplates description chevy 90° v6 78-86 200-262 5/16 dia pushrod ... chevy v8 55-95 262-400 5/16 dia pushrod ... chevy v8 65-90 396-454 and 502 3/8 dia ... made from high silicon copper alloy aluminum-bronze and precision machined they are ... steel billet cam description part no chevy 90° v6 78-86 200-262 .491 shaft dia ... fits accel 34000/35000/41000 series 11990-1 chevy v8 55-87 262 ... -400 .491 shaft dia fits accel 34000/35000/41000 series 11990-1 chevy v8 65-90 396 ... -502 .491 shaft dia fits accel 34000/35000/41000 series 11990-1 hi-performance ...

systemaxtm chevy small block ford 5.0l efi kits ... chevrolet 302 327 350 v8 1968-86 part 300-503-1 b comments/ ... p/n 07104lk 400.0 holley dual plane aluminum intake manifold p/n 300-36 double ... roller timing chain and gears 350.0 fully assembled holley aluminum ... cylinder heads p/n 300-552-1 hardened push rods p/n ... 301-37 300.0 arp® cylinder head bolts p/n 301-35 assembly lube 250 ... 112ş torque lbf­ft or power bhp 3500 4000 4500 5000 5500 6000 power torque ... systemax ii recommendations chevrolet 350 cid short block 4-bolt mains zero- ... 3934 race #3924 street holley testing used a 750 cfm double pump carburetor p/n 0- ... -back-pressure mufflers when using a th-350 then a 3,000 rpm stall converter will ... axle ratio of around 3.55 should be used a set of lunati p/n 84146 roller rocker ...

the most aggressive ramp profiles ever used in hydraulic flat tappet cams ... 5500 vs 5300 on brand c 450 450 400 400 350 350 horsepower 300 300 250 250 200 200 ... 50 50 0 2300 2500 2700 2900 3100 3300 3500 3700 3900 4100 4300 4500 4700 4900 5100 ... c torque test performed on a 9.1:1 sb chevy with aftermarket aluminum cylinder ... heads dual plane high rise intake manifold ...

any engine build-up these hard anodized aluminum tools push the ring a full 600 down ... the cylinder bore for accurate end gap measurement ... and horsepower capabilities scat sb chevy stock replacement i beam rods scat ... pressed bolt 3/8 price $223.00 sb chevy scat pro comp i beam connecting rods ... clearance for stroker applications bb chevy scat pro comp i beam connecting rods ... 7/16 7/16 price $335.00 $335.00 sb chevy scat h beam connecting rods part ... number sct-2-350-5700-2100 sct-2-350-5700-2100a sct-2-350-6000-2100 sct-2-350-6000- ... 2100a sct-2-350-6125-2100 sct-2-350-6125-2100a rod length 5 700 5 700 6 000 6 000 ... 199.00 $1,199.00 $1,199.00 $1,199.00 bb chevy scat h beam connecting rods part ...

for valve train removal to facilitate cylinder head re-torquing all high performance ... a very common industry practice sb chevy head bolts arp-134-3601 arp-134-3701 ... iron oem lt-afr brodix-8,10 11 -11xb heads afr dart heads 12-point 23° cast iron ... oem lt-afr brodix8 10 11 -11xb heads afr dart heads 12-point 23° rhs pro ... action heads 12-point brodix 12-rollover 18° 18°spx ... 61.95 $67.95 $105.50 $71.50 $152.50 sb chevy head studs arp-134-4001 hex oem cast ... iron aluminum brodix -8 -10 -11 track 1 dart ... pro 1 air flow research brownfi eld heads 12-point oem cast iron aluminum brodix ... pro 1 air flow research brownfi eld heads 12-point 7/16 to 3/8 stepped 12-point ... raised runner 3/8 12-point pro action heads 12-point w undercut studs pro action ... heads 12-point w undercut studs oem cast iron ...

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 ... 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 horsepower with the performer ... rpm power package for small-block chevy s performer rpm heads with 64cc ... are required description sb sb sb sb chevy chevy chevy chevy straight plugs 64cc ... 60739 60999 60719 #60899 performer heads for small block chevy designed for pre- ...

2006 parts 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 ... 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 horsepower with the performer ... rpm power package for small-block chevy s performer rpm heads with 64cc ... required description #60899 sb sb sb sb chevy chevy chevy chevy straight plugs 64cc ... 60899 60739 60999 60719 performer heads for small block chevy designed for pre- ...

common to expensive race-only heads with exotic splayed valve setups while ... allowing use of popular chevy mark iv style valve train components as ... everything from a standard big block chevy and when you add up the performance ... material 355-t6 high density aluminum alloy valve seats steel intake hardened ... for 1.640 springs valve size 2.350 x 1.830 rocker arm studs 7/16 screw- ... steel valves with swirl-polished heads ring band style 2 models or pc style ... is unique to the merlin-x head 350cc intake ports part 020750 020750-2 ... alum head merlin-x 16° alum head intake 350cc hydraulic 350cc solid/hyd roller 350cc ... racing roller 350cc cam type merlin-x aluminum 16° big block chevy cylinder heads ... 700 .800 chamber 80cc 80cc 80cc 80cc cylinder heads rev 2/07 27 ...

gaskets install items manifolds efi heads cams access nitrous water pumps access ... listings for complete information aluminum fuel rails stands victor efi manifold ... efi intake manifolds cnc machined from aluminum extrusions these fuel rails have a 9/16 ... with standard port location iron and aluminum heads runners have a tapered ... allows port matching to many different heads victor efi 29785 victor efi fuel rail ... of edelbrock e-tec or vortec cylinder heads also known as l31 the #2913 is the ... powerful intake available for these chevy production heads runners have a 2.60 ... to work with 700r-4 200r-4 and turbo 350 transmissions most applications will ...

gaskets install items manifolds efi heads cams access nitrous water pumps access ... · · · · · · displacement 350 c.i.d horsepower 310 torque 375 ft/lbs ... seal · crank cast iron · pistons cast aluminum · camshaft edelbrock performer #2102 ... performer engines include elite series aluminum valve covers with badge · cylinder ... heads edelbrock performer #60759 70cc ... .60 exhaust valves made from a356 t-6 aluminum · distributor msd pro billet with ... package edelbrock manifold edelbrock cylinder heads edelbrock water pump · 50-state ... legal option for pre-1980 chevy/gmc · valve covers edelbrock elite ... avs with electric choke performer heads with 70cc chambers elite series valve ... 600 cfm with electric choke performer heads with 70cc chambers elite series valve ...

access water pumps nitrous cams access heads efi manifolds install items gaskets ... to install on 1986 earlier small-block chevys with standard heads or with edelbrock e ... -tec vortec style cylinder heads kits are available without carburetor ... and 487 ft/lbs of torque 5 psi on a 350 c.i.d with 9.5:1 compression edelbrock ... -cast polished for std 1986 and earlier chevy heads 1551 15511 for std 1986 and ... earlier chevy heads ­ includes thunder series carb 1553 ... for edelbrock e-tec or vortec-style heads 1552 15521 for edelbrock e-tec or ... vortec-style heads ­ includes thunder series carb 1554 ... polished for std 1986 and earlier chevy heads 15611 for std 1986 and earlier ... chevy heads ­ includes thunder series carb 15631 ... for edelbrock e-tec or vortec-style heads 15621 for edelbrock e-tec or vortec- ...

access water pumps nitrous cams access heads efi manifolds install items gaskets ... to install on 1986 earlier small-block chevys with standard heads or with edelbrock e ... -tec vortec style cylinder heads kits are available without carburetor ... and 487 ft/lbs of torque 5 psi on a 350 c.i.d with 9.5:1 compression edelbrock ... -cast polished for std 1986 and earlier chevy heads 1551 15511 for std 1986 and ... earlier chevy heads ­ includes thunder series carb 1553 ... for edelbrock e-tec or vortec-style heads 1552 15521 for edelbrock e-tec or ... vortec-style heads ­ includes thunder series carb 1554 ... polished for std 1986 and earlier chevy heads 15611 for std 1986 and earlier ... chevy heads ­ includes thunder series carb 15631 ... for edelbrock e-tec or vortec-style heads 15621 for edelbrock e-tec or vortec- ...