127 results for 502 big block chevy found in 0.000 seconds

Engines . . . . . . . . . .14 SMALL-BLOCKS 350/290 ... 80 BIG-BLOCKS 454 HO ... 94 502 HO ... 102 Ram Jet 502 . . . . . . . . . . . . . . .110 ZZ572/ ... 128 Engine Components . . . .130 SMALL-BLOCK Blocks ... 133 Block Components . . . . . . . . . .142 ... . . . . . . . . . . . . . . .183 CHEVY LS SERIES Blocks ... Manuals . . . . . . . . . . .193 .. BIG-BLOCK Blocks ... 197 Block Components . . . . . . . . . .204 ... 233 COBALT/ECOTEC Blocks . . . . . . . . . . . . . . . . . . . . ... Books Manuals . . . . . . . . . . .237 CHEVY V-6 Blocks ...

HorsePower TV Part of the weekend Power Block on SPIKE TV, this show presents a ... the allnew 505 HP, 427 CID, LS7 small-block, built in the GM Performance Build ... 55 Chevrolet sedan featuring a 502 RamJet engine, coupled to a 4L85-E 4- ... . TRUCKS! TV Also part of the Power Block , this show features all varieties of ... celebrating the 50 years of Small- Block power, using footage shot at the GM ... Parts into a beautifully restored 1968 Chevy half-ton truck. Extreme 4 X 4 New to ... the Power Block in 2005 is a show featuring radical, ... projects this year ranging from a 1953 Chevy half-ton to a 70 Nova to a 1964 ... the Junkyard Dog series, featuring a 56 Chevy sedan brought back from the dead with ... a RamJet 502. GM Performance Parts On Air TM S 2006 ... , having built over 95 million small block Chevys in the last 50 years, as well as ...

rpm air-gap ® intake manifolds for chevy chrysler and ford rpm air-gap manifold ... #75013 for s/b chevy nothing is more american than nascar ... for more details on each manifold small-block chevy 262-400 non-egr see page 65 for ... more info 75013 big-block chevy 396-502 with oval ports non-egr see page 77 for ... more info 75613 small-block chrysler 340-360 non-egr see page 82 ... for more info 75763 small-block ford 289-302 non-egr see page 90 for ... rpm air-gap manifold #75613 for b/b chevy the air-gap isolates the runners from ...

kits power pkg manifolds w-series chevy and b/b chevy 1500-6500 rpm chevrolet ... to fit 1958-1965 chevrolet 348/409 w big-block engines two versions are available one ... 4803 performer 2-o #2161 chevrolet 396-502 v8 performer 2-o idle-5500 rpm designed ... for street 396-502 c.i.d big-block chevy v8s using general duty oval-port ... hood modifications will not fit tall block v8s may be used with oem or ...

.44 133.79 429 Car Hyd 68-73 136.29 502.31 102.72 429 Truck 79-90 305.33 698.91 ... 124.99 How to Rebuild Small Block Ford Engines HP89 ... Strong enough to easily hold a complete big block with accessories and transmission ... attached. Made in the USA. 1101 Small Big Block Chevy . . . . .$84.99 2201 Small ... Block Ford . . . . . . . . . . .$89.99 2301 ... Big Block Ford 429, 460 . . . . . .$89.99 2401 ...

Price Int. Exh. Int. Exh. Int. Exh. Chevy 283-400 K12-206-2 .260/.260 .212/.212 . ... 2 .280/.280 .230/.230 .480/.480 $309.99 Chevy 396, 427, 454 K11-205-3 .268/.268 .218 ... 230 .512/.512 $359.99 Xtreme 4x4 K-Kits Chevy 283-400 K12-231-2 .250/.258 .206/.214 . ... 218 .447/.462 $309.99 Xtreme 4x4 K-Kits Chevy 396-454 K11-231-3 .254/.262 .210/.218 . ... Adv. Dur Lift Price Int/Ex Int/Ex Small Block Chevy 81-92 114102 idle-3500 244/254 . ... 1500-4500 264/274 .423/.446 $152.99 Big Block Chevy 94-Earlier 134112 1200-4200 ... $169.99 134122 1600-4600 270/278 .485/.502 $169.99 Chevy 2.8/3.1 V6 81-89 TBI ... 264/274 .423/.423 $169.99 Ford Small Block 88-95 Non H.O. 364112 1000-4000 252/260 ... all of this into more power! Small Block Chevy Hydraulic Dur @.050" Lift Part# ... 74.99 Small Block Chevy Hydraulic Roller 87 Newer With OE ...

electric performance customcurved chevy hei billet distributor with coil choose ... calibrated for your specific chevy small or big block application equipped ... ­ typical race profile cam 66996 h chevy sb bb billet dist 142.99 ... 66997 m chevy sb bb billet dist 142.99 ... 66998 l chevy sb bb billet dist 142.99 ... application price 4248201 1955-96 chevy 262-454 502 except 1955-74 corvette w ... mech tach 348-409 rocketblock tall block and merlin/superblock 222.99 ... 4248211 1955-96 chevy 262-454 502 except 1955-74 corvette w mech tach 348 ... -409 rocketblock tall block .and merlin/superblock with adjustable ... distributor for 1996 through 2003 small block and big block engines and 1996 ...

accessory fastener kits 534-9501 s/b chevy 350-400 ci 12 pt 94.99 534-9601 ... s/b chevy 350-400 ci hex 94.99 534-9701 s/b ... chevy 350-400 ci 12 pt 79.99 534- ... 9801 s/b chevy 350-400 ci hex 79.99 535- ... 9501 b/b chevy 396-454 ci 12 pt 111.99 535- ... 9601 b/b chevy 396-454 ci hex 111.99 535- ... 9701 b/b chevy 396-454 ci 12 pt 87.99 535- ... 9801 b/b chevy 396-454 ci hex 87.99 544- ... 185-6001 144-6001 145-6002 190-6001 chevy 283-327 11/32 57.99 ... chevy s/b 400 3/8 57.99 ... chevy 307-350 3/8 57.99 ... ls1 high perf cracked rod 75.99 chevy b/b 7/16 57.99 ... chevy 383 stoker w/350 rod extra head ... 65.99 bb chevy rod bolt kit 3/8 57.99 ...

chevy pistons chevy 454 big block v8 mid dome srs pistons rod c.i ... 315-0003-005 315-0003-035 315-0018-005 502 big block v8 flat top srs pistons rod ... weight o.d length 1st 4.000 6.135 4.470 502 -3.0cc 1.645 9.44 9.04 8.68 8.35 605 0. ... 990 2.930 1/16 4.000 6.135 4.500 502 -3.0cc 1.645 9.54 9.14 8.78 8.44 615 0. ... 990 2.930 1/16 4.000 6.135 4.530 502 -3.0cc 1.645 9.64 9.24 8.87 8.53 630 0. ... 990 2.930 1/16 4.000 6.135 4.560 502 -3.0cc 1.645 9.75 9.34 8.96 8.62 649 0. ... 990 2.930 1/16 4.000 6.135 4.600 502 -3.0cc 1.645 9.88 9.47 9.09 8.75 665 0. ... 990 2.930 1/16 4.000 6.385 4.470 502 -3.0cc 1.395 9.44 9.04 8.68 8.35 544 0. ... 990 2.930 1/16 4.000 6.385 4.500 502 -3.0cc 1.395 9.54 9.14 8.78 8.44 560 0. ... 990 2.930 1/16 4.000 6.385 4.530 502 -3.0cc 1.395 9.64 9.24 8.87 8.53 577 0. ...

chevy engine types covered 454 big block v8 502 big block v8 chevy part 13731 ... top hollow dome · solid dome dish top chevy 502 big block v8 solid dome srs ... length bore liters 4.000 6.135 4.470 502 4.000 6.135 4.500 502 4.000 6.135 4.530 ... 502 4.000 6.135 4.560 502 4.000 6.135 4.600 502 4.000 6.135 4.470 ... 502 4.000 6.385 4.500 502 4.000 6.385 4.530 502 4.000 6.385 4.560 ... 502 4.000 6.385 4.600 502 4.250 6.135 4.500 540 4.250 6.135 4.530 ... 315-0001-035 315-0001-065 315-0006-005 502 big block v8 dish top srs pistons rod ...

12 BIG BLOCK CHEVY FLAT TOP/INVERTED DOME 4032 low ... Ring Set Ring Se t 454 Engine Block Standard Bore 4.250 x Standard Stroke 4 ... 139480 J100F8-4350-5 S100S8-4350-5 502 4.470 .STD 4.000 6.135 1.645 9.6 9.2 8. ...

13 BIG BLOCK CHEVY FOOTNOTES:B: Includes Oil Rail ... on hand P: Direct replacement for GM 502 press fit pin requires JE ring set. ... Ring Set Ring Se t 427/454 Engine Block Standard Bore 4.250 x Standard Stroke 4 ... 212138 J100F8-4350-5 S100S8-4350-5 502 4.470 .STD 4.000 6.135 1.645 10.7 10.2 ... 212145 J100F8-4350-5 S100S8-4350-5 502 4.470 .STD 4.000 6.385 1.395 10.7 10.2 ... 212152 J100F8-4350-5 S100S8-4350-5 502 4.470 .STD 4.250 6.135 1.520 10.3 9.9 9 ... -4310-0 S100S8-4310-5 General Motors 502 ci Direct Replacement Piston. PRESS FIT ... ONLY 502 4.468 .STD 4.000 6.135 1.645 10.2 9.4 9 ...

intake bolts and all gaskets small block chevy entry level street system ... gaskets and carb stud kit part no 400-502 street system with valve covers ... and carb stud kit part no 400-503 big block chevy 400-550 street system oval port ... and carb stud kit part no 400-551 small block ford street system includes 0-80570 ...

recipe for success application chevy 262-400 non-egr 262-400 non-egr with q- ... non-egr 1997-up 5.7l ls1 ls6 lm7 396-502 oval port non-egr 396-502 rect port non ... -egr 396-502 oval port q jet chrysler 318-360 non- ... -bore carburetors application small block chevy 262-400 big block chevy 396-502 ... with oval ports small block chrysler 340-360 small block ford 289- ...

kits power pkg pro-flo efi systems b/b chevy performer pro-flo ® efi system up to ... 450 hp in a b/b chevy incorporating the same powerful ... efi system is designed specifically for big-block chevys producing up to 450 hp matched ... mileage performer pro-flo efi for 396-502 c.i.d chevrolet up to 450 hp 3551 ... hp potential from 1500 to 7000 rpm in big-block chevys a complete kit to convert your ... 1965-86 oval-port big-block chevy from carburetion to multi-point fuel ... for street high-performance 454-inch or 502 gm crate engines it includes our unique ... engines performer rpm pro-flo efi for big-block chevrolet 3550 installation notes ... for operation up to 625 hp dyno test on 502 chevy with pro-flo efi #3550 performer ...

efi induction kit #29783 for small-block chevy 124-126 and throttle body ... rail kit range specs and more small-block chevy 262-400 v8 29783 includes victor ... and 1000 cfm throttle body #39783 small-block chevy e-tec for edelbrock e-tec or gm ... #3631 1000 cfm throttle body #39783 big-block chevy 396-502 v8 rectangular port ... 3633 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 ... 3633 and 1600 cfm throttle body #39793 big-block chevy 396-502 v8 rectangular port tall ...

kits power pkg pro-flo efi systems b/b chevy performer pro-flo ® efi system up to ... 450 hp in a b/b chevy incorporating the same powerful ... efi system is designed specifically for big-block chevys producing up to 450 hp matched ... mileage performer pro-flo efi for 396-502 c.i.d chevrolet up to 450 hp 3551 ... hp potential from 1500 to 7000 rpm in big-block chevys a complete kit to convert your ... 1965-86 oval-port big-block chevy from carburetion to multi-point fuel ... for street high-performance 454-inch or 502 gm crate engines it includes our unique ... engines performer rpm pro-flo efi for big-block chevrolet 3550 installation notes ... for operation up to 625 hp dyno test on 502 chevy with pro-flo efi #3550 performer ...

efi induction kit #29783 for small-block chevy 124-126 and throttle body ... rail kit range specs and more small-block chevy 262-400 v8 29783 includes victor ... and 1000 cfm throttle body #39783 small-block chevy e-tec for edelbrock e-tec or gm ... #3631 1000 cfm throttle body #39783 big-block chevy 396-502 v8 rectangular port ... 3633 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 ... 3633 and 1600 cfm throttle body #39793 big-block chevy 396-502 v8 rectangular port tall ...

kits power pkg accessories small-block chevrolet low profile #4449 signature ... 59-86 tall 3.7 4649 b chevrolet 396-502 v8 65 later low 2.6 4480 chevrolet ... 396-502 v8 65 later tall 3.8 4680 chrysler ... 5 long 4402 hold-down tab kit small-block chevy 4 pieces 4404 hold-down tab kit ... big-block chevy 7 pieces 4414 #4414 oil fill hole plugs ... vette aluminum heads or 1987 and later chevy cast iron heads c will not clear ...

/8 overall 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 4-5/8 4245 b n/a chevy 396-502 v8 1965 later tall profile a 4-15/16 ... 4280 n/a chevy 396-502 v8 1965 later tall profile no name a ... a 3-13/16 4295 n/a tall profile chevy #4249 ford 289/302/351w except boss ... height 2-11/16 4256 n/a low profile chevy #4248 replacement allen hex heads ... package of 10 4200 no name chevy #4244 available with endurashinetm ... maintenance-free polished aluminum look big-block chevy #4280 elite series centerbolt ... covers for late-model 1987-95 small-block chevy heads are low profile to fit ...

kits power pkg accessories small-block chevrolet low profile #4449 signature ... 59-86 tall 3.7 4649 b chevrolet 396-502 v8 65 later low 2.6 4480 chevrolet ... 396-502 v8 65 later tall 3.8 4680 chrysler ... 5 long 4402 hold-down tab kit small-block chevy 4 pieces 4404 hold-down tab kit ... big-block chevy 7 pieces 4414 #4414 oil fill hole plugs ... vette aluminum heads or 1987 and later chevy cast iron heads c will not clear ...

/8 overall 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 4-5/8 4245 b n/a chevy 396-502 v8 1965 later tall profile a 4-15/16 ... 4280 n/a chevy 396-502 v8 1965 later tall profile no name a ... a 3-13/16 4295 n/a tall profile chevy #4249 ford 289/302/351w except boss ... height 2-11/16 4256 n/a low profile chevy #4248 replacement allen hex heads ... package of 10 4200 no name chevy #4244 available with endurashinetm ... maintenance-free polished aluminum look big-block chevy #4280 elite series centerbolt ... covers for late-model 1987-95 small-block chevy heads are low profile to fit ...

90-92 161.84 432.61 110.22 89-90 178.65 502.84 115.84 89-90 238.28 680.36 288.92 91-93 ... cost model how to rebuild your small block chevy hp1029 19.76 gm engine ... 76-82 150.70 419.01 122.82 84-86 210.00 502.15 166.18 82-86 210.00 480.97 143.47 83-85 ... 9 11 5,11 9 7 7,10 7 7,8 how to rebuild big block chevy engines hp755 19.76 ... 006 spb1 .004 to .009 1.99 each 6 6 6 chevy 383 stroker kit balancing required must ...

price valve springs each retainers each chevy v8 262-400 cl1787pk 1200-4200 260 204 ... 460 99.01 vs739r 3.36 vsr7000r 5.05 chevy v8 396-502 cl1066pk 2000-5000 272 216 ... 66.97 camshaft installation handle chevy v8 and v6 66897 23.97 degree ... 89.97 thrust buttons 200 207 small block chevy .795 length 9.97 big block ... chevy .945 length 7.97 wear plates 201 ... small block chevy .030 thick 14.97 203 big block ... chevy .030 thick 13.97 performance ... -4000 cs1013r 2000-4500 chevrolet 396-502 cs1088r 1500-4000 cs1015r 2000-4500 ...

for popular engine swaps available for chevy chrysler ford small block and big ... block engines hooker swap headers and mounts ... american motors jeep cj5 cj6 cj7 chevy v8 55-71 265-400 72-86 265-400 9810hkr ... 3 3 10 10 sap sap mufflers buick regal chevy v8 78-87 396-502 75-79 265-400 75-79 ... 396-502 2241hkr 2129hkr 2240hkr 2241-1hkr 2129- ... 10 sap sap rd catback systems skyhawk chevy v8 nnnnnn exhaust tips chevrolet gmc ... blazer jimmy 4 wd 69-91 396-502 2817hkr 2817-1hkr 90,117,121,167 ... s-15 jimmy 4 wd 82-93 265-400 73-91 396-502 1 2 3 4 2839hkr 2454hkr 2839-1hkr 2454- ... ,167 yyyyyyy 17 8x31 3 10 sap 67-87 396-502 footnotes camaro 73-81 73-81 73-81 73- ... 81 82-92 396-502 396-502 396-502 396-502 396-502 2118hkr 2250hkr 2217hkr 2287hkr ...

cars with brodix spread port heads new chevy s.b 2348hkr eagle gambler j&j maximum ... and feature large 21 4 primaries for big blocks hooker puller headers use heli- ... tractors trucks chevrolet engines 396-502 2542hkr black 4 into 1 collector type ...

eliminated designed to fit small block chevys up to 1979 with drivers side tube ... engine dipsticks -machined lokar chevy chevy cont engine dipsticks rpc chevy cont ... to polished alum/braided 1980-up sb chevy read level markings flexible engine ... oil pans only polished alum/braided bb chevy flexible bis40150 ... billet specialties ford flexible chevy 502 big block designed for clearance w ... block hugger headers chrome 1955-79 sb chevy 283-350 engine ed-5006 $57.00 ea ... 5.00 ea engine dipsticks rpc chevy chrome 1965-90 bb chevy 396-454 engine ... 6.25 ea flexible fits chevy small polished alum/braided pre-1979 sb ... chevy block 1979 earlier flexible engine dipstick ... aluminum billet aluminum 1955-79 sb chevy dipstick engine dipsticks-machined ...

engine dipsticks rpc pontiac ford big block crate engines only 460 514 billet ... 6.50 ea timing chain cover set chevy -cont chrome sb chevy 2pc timing chain ... $18.75 ea polished aluminum bb chevy timing chain cover kit includes gaskets ... $54.50 ea polished aluminum sb chevy v8 timing chain cover set includes ... ea oil catch tank timing chain cover chevy chrome bolts for timing chain cover 10 ... pcs r6040b $2.50 ea chrome chevy 396454 timing chain cover includes ... $17.75 ea timing chain cover set chevy billet aluminum handle chrysler 383- ... 12.50 ea chrome aluminum bb chevy timing chain cover set includes gaskets ... r8422c $66.00 ea chrome aluminum sb chevy v8 timing chain cover set includes ... hardware r6040c $52.25 ea chrome chevy 283350 timing chain cover includes ...

· forged from 8740 chrome ford small block part price arp 254-5202 129.99 · svo ... · replacement rod bolts for ford small block part price arp 150-6004 59.99 · boss ... arp 154-6003 64.99 · 351 cleveland ford big block part price arp 155-6001 69.99 · ... fl oz arp 100-9903 6.99 · 1.69 fl oz chevy big block arp 135-5402 62.99 · bbc 2- ... bbc 4-bolt w/o windage tray ford small block arp 154-5401 46.83 · 289-302 c.i.d ... 3/8 39.99 per set · typical small block application arp 134-7104 3/8 42.99 ... 7/16 39.99 per set · typical small block application arp 100-7101 7/16 42.99 ... gase part price arp 100-9942 154.99 chevy small block part price arp 134-5601 ... set drivetrain chassis and suspension chevy big block part price arp 135-6002 59. ... i.d 3/8 bolt arp 135-6001 69.99 · 454 502 c.i.d 7/16 bolt arp 134-6003 65.99 · ...

29.99 · tall valve covers · small block ford · fits 1962-up small block ford ... fit 1958-86 sbc 283-400 3 1/2 tall · big block chevy · fits 1965-95 bbc 396-502 ... baffled valve prc 966186 119.99 · big block chevy aluminum valve covers · fits 1965 ... -95 bbc 396-502 bolt kit included covers 1 chrome steel ... price prc 967541 31.95 · ford v8 y block fits 1954-64 292-312 y blocks 3 1/2 ... prc 969235 23.99 · bbc 1965-95 396-502 3 5/8 tall prc 969503 34.95 · bbc oem ... polished aluminum 3 11/16 tall · small block ford aluminum valve covers · fits 1962- ...

.com comp cams xtreme energy camshafts chevy 305-350ci small block 1987-98 for ... 265.95 tappet camshaft only 3 lift .495 502 duration 270° 276° 110 lc rpm range 1, ... $265.95 tappet camshaft only 3 lift .502 510 duration 276° 282° 110 lc rpm ... gears rough idle 9.5 comp ratio part no chevy 305-350ci small block 1987-98 for ... description cam only price part no chevy 305-350ci small block 1987-98 for ... /injectors manifold exhaust 2,000 stall chevy 350ci gen iii ls1,ls2 ls6 4.8ll 5.3l 5. ... mid-range with superior to end power chevy 350 lt1 lt4 1993-1997 comp controlled ... programmer modified intake 2,200 stall chevy big block 1965-1996 retro-fit hydraulic ...

track works with stock valve train chevy small block 1955-1998 hydraulic flat ... tappet camshafts $129.95 com-12-502-5 tight lash mechanical ­ solid flat ... flat tappet solid lifter camshafts chevy small block 1955-1998 oval track solid ... with high sustained rpm best with big carb good intake com-12-504-5 tight ... cars on long tracks with fast corners chevy small block 1955-1998 com-12-501-5 ... ° 106 lc rpm range 3,500-7,500 good for big tracks 377-410ci best with good intake ... heads big block chevy 396-454 1965-1996 $174.95 $174.95 $174. ...

nearest competition part no description chevy small block 265-400 29d03berl header ... replacement insert set uncut centers chevy big block 396-502 29d04berl header ... seals for chevy with 1.50 x 1.50 ports pair ... 29d03b3erl 29db3berl ford small block 289-302-351w 29d03aerl header seals for ... 29d03a2erl 29d03b5erl 29dd3berl ford big block 429-460 29d04aerl header seals ...

part no description 29e03berl small block chevy 265-400 pair 29e03aerl small ... block ford 289-302-351w except boss 29e04berl ... big block chevy 395-502 pair 29e04aerl big block ford 429-460 pair tech line 310- ...

pistons big block chevrolet cams chevy ls-1/ls-2/6.0 truck 4 stroker reverse ... .250 wiss-643.927x2.250 rods cranks chevy 454/502 max dome-closed/open/edelbroc k ... special skirt shape to be the ultimate 502 marine replacement · radiused valve ...

pistons big block chevrolet cams chevy 502 stroker dome-light weight drag open ...

high-lift cams performer rpm heads for big block chevy edelbrock offers heads for ... the 396-502 family of chevrolet engines in either ... both heads work with all generations of chevy blocks description polished standard ... finish 60459 60559 #60459 bb chevy performer 454 oval port 110cc chamber ... complete 604519 bb chevy performer 454 rectangular port 118cc ...

power package top end kit #2094 for big-block chevys power package top end kits for ... amc chevy the edelbrock total power package® ... everything you need to top off your chevy or amc/jeep these top end kits are ... and an edelbrock gasket set for our chevy top end kits choose the best edelbrock ... dynamometer tests on factory short blocks amc/jeep power package top end kits for ... 416 c.i.d shortblock w/9.5 compression chevy power package top end kits for 383 s/b ... chevy 1987 later 460 hp 460 ft/lbs w/ ... w/9.5:1 compression for 327-350 s/b chevy 1987 later 435 hp 435 ft/lbs w/late ... w/9.5:1 compression for 327-350 s/b chevy 1986 earlier 410 hp 408 ft/lbs w/ ... w/9.5:1 compression for 327-350 s/b chevy 1986 earlier 435 hp 435 ft/lbs w/ ... .i.d shortblock w/9.5:1 compression for chevy lt4 1992-97 406 hp 390 ft/lbs 2019 b ...