71 results for small block 400 using vortec heads found in 0.000 seconds

e p/n 2116 testing on gm l31 short block gm l31 vortec heads modified to int/exh ... manifolds testing on gm l31 short block gm l31 vortec heads modified to handle ... everbrighttm coated · available for gm vortec and standard small block chevy heads · ... improved street drivability standard small block chevy heads recommended ... 1.06 width application 1957-86 262-400 sb chevy v8 1987-later w alum heads 262 ... -400 sb using 1996 later gm vortec l31 iron heads satin 8120 c polished ...

redesigned the stealthtm series of small block chevy manifolds using ... rpm testing on gm zz383 gm fast burn heads voodoo cam p/n 60122 282/290 adv ... everbrighttm coated · available for gm vortec and standard small block chevy heads · ... improved street drivability standard small block chevy heads recommended ... size 1.92 height 1.16 width · 8151 gm vortec cylinder head port size 2.05 height 1. ... 02 width application 1957-86 262-400 sb chevy v8 1987-later w alum heads 262 ... -400 sb using 1996 later gm vortec l31 iron heads satin polished 8150p c ...

e p/n 2116 testing on gm l31 short block gm l31 vortec heads modified to int/exh ... manifolds testing on gm l31 short block gm l31 vortec heads modified to handle ... everbrighttm coated · available for gm vortec and standard small block chevy heads · ... improved street drivability standard small block chevy heads recommended ... 1.06 width application 1957-86 262-400 sb chevy v8 1987-later w alum heads 262 ... -400 sb using 1996 later gm vortec l31 iron heads satin 8120 c polished ...

redesigned the stealthtm series of small block chevy manifolds using ... rpm testing on gm zz383 gm fast burn heads voodoo cam p/n 60122 282/290 adv ... everbrighttm coated · available for gm vortec and standard small block chevy heads · ... improved street drivability standard small block chevy heads recommended ... size 1.92 height 1.16 width · 8151 gm vortec cylinder head port size 2.05 height 1. ... 02 width application 1957-86 262-400 sb chevy v8 1987-later w alum heads 262 ... -400 sb using 1996 later gm vortec l31 iron heads satin polished 8150p c ...

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, CADILLAC ... 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 in 330 380 32 12499712 ZZ4 Turn- ... Key with Aluminum Heads 350 cu in 355 405 34 24502609 ZZ4 Base ... with Aluminum Heads 350 cu in 355 405 36 12561723 ZZ4 ... , 44 12499120 Ram Jet 350 PFI with Iron Vortec Heads 350 cu in 350 400 38 12499710 ... Fast Burn 385 Turn-Key with Aluminum Vortec Heads 350 cu in 385 385 42 12496769 ... Fast Burn 385 Base with Aluminum Vortec Heads 350 cu in 385 385 44 12499101 HT 383 ... in 355 405 58 88958604 Circle Track 350/400 350 cu in 400 400 60 Part Number ...

CRATE ENGINES SMALL-BLOCK A big-inch small-block tuned for torque! There comes a time ... . It produces 435 lb.-ft. of torque at 4000 rpm, but more importantly, it produces ... more than 400 lb.-ft. of weight-moving torque from ... 2500 rpm all the way up to its 4000 rpm peak. In other words, your trailers ... rods, and hypereutectic pistons. The block is cast iron with 4-bolt main caps, ... steel gear MUST be used with long blocks and partial engines with steel ... Number: 12499101 Engine type: Chevy small-block V-8 Displacement (cu in): 383 Bore x ... stroke (in): 4.00 x 3.80 Block (P/N 88962516): Cast iron with 4-bolt ... in): 196 intake 206 exhaust Cylinder heads (P/N 12558060): Vortec iron; 64cc ... : 87 octane Ignition timing: 32 total 4000 rpm with vacuum advance disconnected ...

gaskets install items manifolds efi heads cams access nitrous water pumps access ... chevy manifolds idle-5500 rpm performer vortec v6 based on the powerful edelbrock # ... 262 c.i.d 3.8l and 4.3l v6 engines with vortec heads with this manifold rodders can ... of the higher flow available with the vortec head design performer vortec v6 #2114 ... water bypass and may be used on either vortec blocks or 1995 and earlier blocks ... hei and air conditioning performer vortec v6 non-egr 2114 performer vortec v6 # ... 179 roller timing set 180 chevrolet 262-400 small-block v8 performer eps performer ... rpm designed for 1986 and earlier 262-400 cubic-inch chevys the performer eps ... or thunder series avs carburetors this small-block chevy manifold has a runner design that ... dimensions 1.15 x 1.87 performer eps vortec manifold #2716 performer eps vortec ...

access water pumps nitrous cams access heads efi manifolds install items gaskets ... page no performer centerbolt cylinder heads 50 state street legal 140-171 ... with tuned port injection with stock heads the high-flo system makes an 18-20 hp ... 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 ... exit dimensions 1.25 x 1.98 high-flo vortec t.p.i baseplate #3817 high-flo t.p.i ... to clear centerbolt valve cover heads #3861 is for all other heads high-flo ... only aftermarket and early model heads 3861 installation notes recommended ... dimensions 1.25 x 1.98 high-flo t.p.i vortec baseplate high-flo t.p.i runners #3870 ... characteristics of our e-tec series heads 96 and later gm cast iron vortec heads ...

description part no conventional headed small-block chevy vortec headed small-block chevy ... small-block ford 289-302 pontiac 326-455 accessory ... for installation on 87 95 cast iron gm heads with upright center intake bolts 7500 ... description part no conventional headed small-block chevy vortec headed small-block chevy ... big block chevy oval ports big block chevy rectangular ports small block ... it features billet-aluminum metering blocks billet aluminum baseplates large ... · billet baseplate and metering blocks · four corner idle circuits · designed ... · billet baseplate and metering blocks · four corner idle circuits · large ... linkage optional electric choke kit 260-400 302-400 302-400 302-400 350-500 350-500 ...

a dominator flange application 57-95 small block chevy v8 23° 96-up small block ... with vortec l31 65-72 big block chevy oval port 65-72 big block chevy ... rect port 65-72 big block chevy rect port 57-95 ford 260-289-302 ... chipping or peeling application 57-95 small block chevy v8 23° 96-up chevy w/vortec ... heads 57-95 small block chevy v8 23° 57-95 small block chevy v8 ... 23° 57-95 small block chevy v8 23° 65-72 big block chevy w/ ... oval port heads 57-95 ford 260-289-302 ford 351w part ... for gas powered sb chevys under 400 cid with 23° cylinder heads application ... engines 420 ci on gas or alcohol or on smaller engines running on alcohol application ...

crate engines small-block ht383 crate engines small-block ... owners step right up replace that worn small-block in your pre-1976 truck with this big- ... torque combination using a 3.80-inch stroke crankshaft unique ... camshaft and heads designed to build workaholic torque the ... a wide flat torque curve that hits the 400-lb-ft mark by 2500 rpm and doesn t dip below ... it through the 4000-rpm peak torque level it s just the thing ... on life economical replacement solution 400 lb-ft from 2500 to 4000 rpm sturdy ... project car anything that requires big-block torque in a small-block package ... part number 12499101 engine type chevy small-block v-8 displacement cu in 383 bore x ... stroke in 4.00 x 3.80 block p/n 88962516 cast-iron with 4-bolt ... in 196° intake 206° exhaust cylinder heads p/n 12558060 valve size in ...

crate engines small-block complete your small-block crate engine select the parts below to ... time 10185063 intake manifold 12342089 small-block chrome timing cover 12480127 short ... 12370839 12497698 crate engines small-block our low-profile dual-plenum aluminum ... attractive chrome cover fits 1969-1991 small-block v-8 and 90-degree v-6 engines it is a ... oil baffles 12496822 intake manifold vortec eliminator this aluminum single-plane ... manifold is designed for use with vortec cylinder heads p/n 12558060 25534421 ... 25334446 fast burn heads p/n 12464298 or vortec bowtie heads p/n ... bolts p/n 12550027 12341998 fuel pump block-off plate this attractive chrome plate is ... of a mechanical fuel pump on the engine block includes a nonasbestos gasket 12341670 ... studs 4 req v-belt add sparkle to your small-block with these classic chrome valve covers ...

20854 chevy dual-quad kits 1955-86 262-400 small-block chevy small-block chevy ... with edelbrock e-tec gm vortec or fast burn heads small-block chevy ... wiring harness and map sensor big-block chevy chrysler dual-quad kit chrysler 5 ... .7l hemi ford dual-quad kit 289-302 small-block ford 351w small-block ford single-quad ... chevy single-quad kits 1957-86 small-block chevy performer eps with performer ... with thunder series avs 800 cfm carb small-block chevy vortec or edelbrock e-tec ... thunder series avs 800 cfm carb big-block chevy performer oval port with thunder ... cfm carb ford single-quad kit 289-302 small-block ford performer with performer series ... 15521 15541 standard 86-earlier chevy heads polished standard 86-earlier chevy ... heads polished inc thunder series carb ...

air-gap designed for 1955-86 262-400 c.i.d small-block chevy s the performer ... endurashine finish #3817 high-flo tpi vortec manifold tuned port injection owners ... flowing 1996 and later gm cast iron vortec heads aluminum fast burn heads or take ... characteristics of our e-tec series heads while still using the factory or ... in performance part no 3817 chevy 262-400 #3890 high-flo t.p.i manifold designed ... for late model 1985-91 305/350 small block chevys with tuned port injection these ...

for sb chevy v8 fuel pump plate to block aluminum exhaust collector gaskets · ... perma torque blue stripe 1204 sbc 262-400 v8 engines 14.99 ... embossed steel laminate w/coating blocked crossover stock ports port size 1.23 ... 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 ... printoseal no crossover openings or block shields stock or small race ports port ... thickness .060 cast iron or aluminum heads 1206 sbc 262-400 v8 engines ... printoseal no crossover openings or block shields medium race ports port size 1. ... thickness .060 cast iron or aluminum heads 1266 sbc 262-400 v8 engines ... with coating no crossover openings or block shields medium race port port size 1. ...

plane intake manifold when it comes to small block chevy intake manifold technology ... designed for use in larger displacement smallblocks particular attention has been paid to ... chevy designed for 1986 and earlier 262-400 cubic inch chevy s the all -new ... 2701 for 1986 and earlier chevy 262-400 c.i.d engines 139.97 why settle for ... 230.37 52003 1957 95 sb chevy w/vortec heads 230.61 52014 1957 95 sb chevy ... 262.79 52022 1957 95 sb chevy w/23° heads 241.35 53002 big block chevy w/ ... oval port heads 264.07 54002 small block ford 260-289-302 258.45 54024 ... small block ford 351 windsor 297.78 ... -289-302 v8 satin 194.68 small block chevy 52030 sb chevy v8 1957-95 ... polished 23° heads 225.06 52031 sb chevy v8 1957-95 satin ...

for sb chevy v8 fuel pump plate to block aluminum exhaust collector gaskets · ... perma torque blue stripe 1204 sbc 262-400 v8 engines 14.99 ... embossed steel laminate w/coating blocked crossover stock ports port size 1.23 ... 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 ... printoseal no crossover openings or block shields stock or small race ports port ... thickness .060 cast iron or aluminum heads 1206 sbc 262-400 v8 engines ... printoseal no crossover openings or block shields medium race ports port size 1. ... thickness .060 cast iron or aluminum heads 1266 sbc 262-400 v8 engines ... with coating no crossover openings or block shields medium race port port size 1. ...

are recommended and for good reason using studs will make it much easier to ... mode never crank it in tightly using a jammed nut if everything is right the ... chevy 302 ford ford 351 302 ford w/351 heads bb ford 390-428 ford 351c-400m mopar ... mopar 273-360 pontiac 350-455 w/d-port heads 67 later 190-3607 hex 134-3601 180- ... 69.99 $43.99 $91.99 head studs hex 134-4001 185-4001 135-4001 154-4001 154-4003 154 ... -4005 155-4001 154-4004 145-4006 144-4001 190-4002 $133.99 $96.99 $142.99 $86.99 ... -2501 all v6 v8 13/16 chevy 134-2501 small block 5/8 234-2501 small block 13/16 ... 234-2502 small block 1-1/16 135-2501 big block 5/8 235-2501 ... big block 13/16 235-2502 big block 1-1/16 chrysler 245-2501 kb hemi 1-1/16 ...

200-262 90° v6 85-95 non-egr 262-400 up to 86 non-egr 262-400 v8 96 and ... later vortec cast iron heads 262-400 up to 86 egr 262-400 87-95 non-egr 305 ... -egr 351-4v non-egr 351-2v non-egr 351m/400 non-egr 332-428 non-egr 429-460 non-egr ... oldsmobile 400-455 non-egr 370-403 v8 66-85 egr/non-egr ... rpm designed for 1986 and earlier 262-400 cubic inch chevy s the all-new ... -bore performer series carburetors this smallblock chevy manifold has an all-new runner ... gains part no 2701 chevy 262-400 v8 non-egr #2701 performer air-gap ... designed for 1955-86 262-400 c.i.d small-block chevy s the performer air-gap features ... part no 2601 non-egr #2601 high flo tpi vortec manifold tuned port injection owners ... flowing 1996 and later gm cast iron vortec heads aluminum fast burn heads or take ...

chevy sb 1957-86 262 283 305 327 350 400 v8 1987-later w/alum heads chevy bb 396 ... cfm holley hp application ford 351c 2v heads ford 221-302 exc boss part no 300-111 ... an imca-approved version of its popular small-block chevrolet single-plane manifold under p ... 7546 7544 1957-86 262 283 305 327 350 400 v8 1987-later w/aluminum heads chevy bb ... weiand superchargers available here vortec stealth ram manifold idle to 6500 rpm ... turbulence application chevy 262-400 96-up vortec heads same with hand ...

Chevy Designed for 1986 and earlier 262-400 cubic inch Chevys, the all -new ... . 2701 For 1986 and earlier Chevy 262-400 c.i.d. engines $129.99 Performer Air- ... idle-5500 rpm) Designed for 1955-85 262-400 c.i.d. small-block Chevys. This design ... 300-36 57-86 SB Chevy w/Aluminum Heads . . . . . . .$125.99 SB Chevy Spread ... 72.99 2-Port Carbureted This smaller version is still an outstanding ... regulator. Has a smaller 3/8-NPT inlet port. 10660 Blue ... 199.99 53002 BB Chevy w/oval port heads . . . . . . . . . . .$210.99 54002 ... 109.99 52006 SB Chevy Vortec Polished Idle to 5500 . . . .$148.99 ... 52007 SB Chevy Vortec Satin Idle to 5500 . . . . . . .$115.99 ... . . . . . . .$133.99 52032 SB Chevy Vortec Polished 3000 to 7500 . . .$198.99 ... 52033 SB Chevy Vortec Satin 3000 to 7500 . . . . . .$152.99 ...

329.99 7516 SB Chevy Vortec 1996 and later . . . . . . . . . .$225. ... across the 2,500-6,500 RPM range. 5001 Small Block Chevy ... and accept square-bore Holley carbs. Small Block Chevy (not for use w/1987-up ... cylinder heads) 2975 Victor Jr ... 185.99 2925 Super Victor for 23 Heads . . . . . . . . . . . . . . . .$207.99 ... Hex Black Oxide 134-2001 S/B Chevy 265-400 ci . . . . . . . . . . . . . . .$13.99 ... 19.99 154-2004 Ford 351C, 351M, 400 . . . . . . . . . . . . . . .$21.99 114 ... 14.99 194-2001 Pontiac 350-400 ci . . . . . . . . . . . . . . . . . .$ ... 19.99 134-2002 S/B Chevy Vortec Hex . . . . . . . . . . . . . .$19.99 ... 134-2103 S/B Chevy Vortec 12pt. . . . . . . . . . . . . . .$20.99 ... ideal for use with modified cylinder heads and Edelbrock recommends using their ...

includes rail seals heat riser blockoff plates where applicable 1/16 thick ... 208a 405g 404 502g chevrolet 62-85 262-400 cork seals 1.25w x 2.00h stock port 57- ... 68 283 fi 327 400 cork and rubber seals including steel ... heat riser block-off plates 1.31w x 2.10h 57-68 283 fi 327 ... 400 1/8 thick cork seals 1.31w x 2.10h 69- ... 76 327-400 1/8 thick cork seals 1.31w x 2.19h ... medium race port 62-68 327-400 cork rubber seals 1.31w x 2.19h medium ... port 55-85 265-400 cork rubber seals 1.31w x 2.31h large ... race ports 69-76 302-400 brodix aluminum head no seals 1.38w x 2 ... 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 ...

bolt kits application chevy 265-400 hex chevy 265-400 12-pt chevy 305/350 ... vortec hex chevy 396-454 hex chevy 396-454 12- ... chevy 396-454 16 piece chevy 262-400 chevy 262-400 chevy 262-400 hex head 3/ ... no 100-2901 100-2901 254-2901 chevy 265-400 hex chevy 396-454 hex chevy small block ... vortec chevy 262-400 12 point head black oxide 134-2101 ford ... sb bb 3.125 hi-volume hex part no 400-1101 400-1201 400-1102 400-1202 thread ... nuts washers part no 200-2401 200-2402 400-2401 part no 200-7603 rocker arm studs kits ... /16 w/roller rockers girdles chevy sb vortec chevy bb 7/16 ford sb 7/16 w/roller ...

pawengineparts.com edelbrock cylinder heads street high-performance heads performer ... 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 ... compression ratio on 1970 and earlier small-blocks performer rpm with angled plugs chamber ... in/ex ede-60719 · for 302 327 350 and 400 c.i.d small-block chevys with vortec- ... ports are .200 taller than standard small-block chevy heads · spark plugs positioned ... exits are .200 higher than standard heads · match with an edelbrock vortec ... · 20 more exhaust flow than cast iron vortec heads good power up to 6000 rpm · 64cc ... 650.95 · outflow other similar aluminum heads by 10 on the intake and 17 on the ...

access water pumps nitrous cams access heads efi manifolds install items gaskets ... superchargers kits power pkg cylinder heads small-block chevy e-tec s/b chevy ... originally equipped with aluminum heads · accepts edelbrock elite series ... for high rpm or large displacement small-blocks e-tec 170 head #60979 e-tec heads have ... edelbrock e-tec · for 302 327 350 400 c.i.d s/b chevys with vortec-style ... ports are .200 taller than standard small-block chevy heads · spark plugs positioned ... 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 ... and 458 ft/lbs with edelbrock e-tec 170 heads rpm air-gap manifold and performer rpm ... department the e-tec 170s with their smaller runner volumes increased torque by over ...

access water pumps nitrous cams access heads efi manifolds install items gaskets ... superchargers kits power pkg cylinder heads small-block chevy e-tec s/b chevy ... originally equipped with aluminum heads · accepts edelbrock elite series ... for high rpm or large displacement small-blocks e-tec 170 head #60979 e-tec heads have ... edelbrock e-tec · for 302 327 350 400 c.i.d s/b chevys with vortec-style ... ports are .200 taller than standard small-block chevy heads · spark plugs positioned ... 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 ... and 458 ft/lbs with edelbrock e-tec 170 heads rpm air-gap manifold and performer rpm ... department the e-tec 170s with their smaller runner volumes increased torque by over ...

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 ... the performer rpm power package for small-block chevy s performer rpm heads with 64cc ... compression ratio on 1970 and earlier small-blocks hardened pushrods are required ... 60899 60739 60999 60719 performer heads for small block chevy designed for pre- ...

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 ... the performer rpm power package for small-block chevy s performer rpm heads with 64cc ... compression ratio on 1970 and earlier small-blocks hardened pushrods are required ... 60739 60999 60719 #60899 performer heads for small block chevy designed for pre- ... 86 chevy 302 327 350 and 400 engines 50 state legal design includes ...

gaskets install items manifolds efi heads cams access nitrous water pumps access ... plates for edelbrock manifolds choke block-off plate for #3771 ford 351m/400 ... supplied with manifold 8971 choke block-off plate ford 351w 351c supplied with ... choke adapter for #2101 #2104 #3701 small-block chevy supplied with manifolds 8901 ... 8951 choke adapter for #2161 big-block chevy supplied with manifold 8961 ... these bolt kits feature reduced hex heads for easy wrench access features include ... amc 290-401 c.i.d 8534 chevy 262-400 c.i.d 1986 earlier only 8504 chevy ... 262-400 c.i.d with edelbrock e-tec or chevrolet ... vortec heads 8516 chevy 396-502 c.i.d 8564 #8961 ... 318-360 c.i.d 8579 chrysler 383-400-440 c.i.d 8594 ford 260-302 c.i.d 8524 ... ford 351w c.i.d 8584 ford 351m/400 c.i.d 8574 ford 351c c.i.d 7564 only ...

access water pumps nitrous cams access heads efi manifolds install items gaskets ... on pages efi induction kit #29783 for small-block chevy 124-126 and throttle body ... a fuel rail kit range specs and more small-block chevy 262-400 v8 29783 includes victor ... 3630 and 1000 cfm throttle body #39783 small-block chevy e-tec for edelbrock e-tec or gm ... vortec heads 29133 includes super victor vortec efi ... 3631 1000 cfm throttle body #39783 big-block chevy 396-502 v8 rectangular port ... and 1000 cfm throttle body #39783 big-block chevy 396-502 v8 oval port standard ... fuel pump and regulator kit #35943 big-block chevy 396-502 v8 rectangular port ... and 1600 cfm throttle body #39793 big-block chevy 396-502 v8 rectangular port tall ...

gaskets install items manifolds efi heads cams access nitrous water pumps access ... background then detailed with allen hex heads that create a two-piece look from a one ... height polished endurashine chevy 262-400 v8 1959 86 low profile 3 4248 b ... 42484 b chevy 262-400 v8 1959 86 low profile no name 3 4244 ... b n/a chevy 262-400 v8 1959 86 tall profile a 4-5/8 ... 4249 b 42494 b chevy 262-400 v8 1959 86 tall profile no name a 4-5/ ... chevy #4248 replacement allen hex heads package of 10 4200 no name chevy #4244 ... -free polished aluminum look big-block chevy #4280 elite series centerbolt ... valve covers for late-model 1987-95 small-block chevy heads are low profile to fit ... cars and 1986-91 vettes with aluminum heads #4247 with right side hole fits 1990 ... height chevy 4.3l v6 1987-93 not for vortec v6 2-7/16 4252 chevy 262-400 v8 1986- ...