211 results for pontiac valve cover found in 0.000 seconds

134 CID New 2.2L 2002-05 Chevrolet, Pontiac J (L61)(2.2-4) MFI 2002-04 ... Oldsmobile N (L61) 2002-05 Pontiac N (L61) 2004-05 Chevrolet N (L61) ... Engine-Specific Content: Oil Pan, Front Cover, and Valve Cover Replaces: 12574621, ... -Specific Content: Oil Pan and Front Cover Replaces: 12587403 Replaced By: ... CID New 2.2L 1999-2002 Chevrolet, Pontiac J (LN2)(2.2-4) MFI Engine-Specific ... Content: Front Cover, Spark Plugs, and Valve Cover Replaces: 88890515,12482041 ... 134 CID New 2.2L 1998 Chevrolet, Pontiac J (LN2)(2.2-4) MFI Engine-Specific ... Content: Oil Pan, Front Cover, Spark Plugs, and Valve Covers Replaces ...

173 CID New 2.8L 1982-86 Chevrolet, Pontiac A (LE2)(2.8X) 1982-85 Chevrolet, ... Buick X (LE2)(2.8X) 1982-84 Pontiac, Oldsmobile X (LE2)(2.8X) 1985-86 ... , Oil Pan, Torsional Damper, and Valve Covers Replaces: 10065260 Replaced By: ... . This engine is built with current valve rocker cover. It may be necessary to ... use covers from replaced engine. This engine ... Content: Flywheel, Oil Pan, Front Cover, Oil Fill Cap, Torsional Damper, and ... Valve Covers Notes: Automatic Transmission Only ... . This engine is built with current valve rocker cover. It may be necessary to ... use covers from replaced engine. On fuel injection ... , plug fuel hole with: 1 of 14064231 Cover Fuel Pump opening 2 of 11500914 Bolts ...

date code. N178FG will fit any 1965-71 Pontiac V8. Note1 : This is the manifold only. ... Vent Filter Vent Filter Clip Vent Pipe Valve Cover Grommet N178 1969-70 Ram Air Vent ... 30.00/ea. N177YR N178C go from the valve cover to the Ram Air pan. Note: Use ... N220A valve cover grommets with these vent tubes. N178F ... RPM Intake Manifold, All non-EGR Pontiac 326-455 cid (AP ...

. Crankcase Ventilation Filter N212CK Valve Cover Grommet N220A Filter Clip N212CL ...

upper engine repair only typically on a valve grind hs9239pt ford 7.3l 94-03 di vin f ... 126.99 note valve cover and head bolts are not included ... 7.3l 1994 03/31/99 di vin f 46.99 valve cover gaskets services one cover only ... thermostats use a unique non-linear valve to stabilize engine temperatures ... ® fits many amc chevy gmc olds pontiac non diesel 4 6 8 cy.l various app 5 ...

· 2 water pump · 2 rear main seals · 2 valve cover · 1 thermostat housing · 1 timing ... cover · 1 oil pan drain washer · 1 timing ... cover seal · 16 valve seals o-ring · 2 oil pan side rail · 2 ... mitsubishi 7041g 7042g oldsmobile 7140 pontiac 7145 ford engine 390-401 350 400-455 ... valley pan not included molded rubber valve cover gasket made with steel core ...

Head Gaskets Bolts . . . . . . . .153 Valves . . . . . . . . . . . . . . . . . . . . ... 155 Valve Springs . . . . . . . . . . . . . .155 ... Arms . . . . . . . . . . . . . . .157 Valve Covers . . . . . . . . . . . . . . .158 ... . . . . . . . . . . . . . . . . . .163 Valve Lifters . . . . . . . . . . . . . . . ... Heads . . . . . . . . . . . . .186 Valve Covers . . . . . . . . . . . . . . .189 ... Head Gaskets Bolts . . . . . . . .211 Valves . . . . . . . . . . . . . . . . . . . . ... 212 Valve Springs . . . . . . . . . . . . . .213 ... Arms . . . . . . . . . . . . . . .214 Valve Covers . . . . . . . . . . . . . . .214 ... . . . . . . . . . . . . . . . . . .217 Valve Lifters Components . . .219 Camshafts ... Gaskets . . . . . . . . . . . . . .241 Valve Covers . . . . . . . . . . . . . . .241 ...

Tall Aluminum Valve Covers A Short Aluminum Valve Cover B Tall ... Aluminum Valve Covers, Pontiac logo C CHEVY SMALL-BLOCK V-8 158 Tall ... Valve Cover, no logo D NOTE: NOTE: VALVE COVERS Add a stylish finishing touch to ... your GM engine with our branded valve covers. GM Performance Parts valve covers are ... to suit any taste. Competition covers are designed to clear taller ... valvetrains. Ordering note: Valve covers are sold in pairs unless otherwise ... specified. A. 10185064 Tall Aluminum Valve Covers Competition racing valve cover ... part. B. 12480127 Short Aluminum Valve Covers This cast aluminum Chevy Bowtie-design ... valve cover is similar to P/N 10185064 except it is ... a short style with a PVC hole in both covers (grommets included). Designed for pre- ...

holes necessary to switch any 1961-1979 Pontiac engine block are pre-punched in these ... (AP)... 30.00/kit FN615B MITY MOUNTS' VALVE COVERS AND COMPONENTS 1-800-421-AMES ( ... 2637) FN651 FN651 1967-81 Chrome Valve Covers All Pontiac V-8 (RE ... . FN651A FN651A 1967-81 Cast Aluminum Valve Covers All Pontiac V-8 (GM-RP ... aluminum, GM-Performance replacement valve cover set. Rubber grommets for the vent ... FN651BA 1967-81 Edelbrock Chrome Valve Covers All w/Pontiac V8 (AP ... FN651BB 1967-81 Edelbrock Cast Aluminum Valve Covers All w/Pontiac V8 (AP ... . FN651BB are very nice aluminum ribbed valve covers with the Edelbrock raised script ... included. Use FN651E bolts with these covers ...

FN651E FN651D 1967-81 9/16 Chrome Valve Cover Zinc Plated Bolts (8 Pieces) (RE ... an exact reproduction of the original valve cover bolts used on all Pontiac engines ... Super Duty. Use FN651D with standard valve cover gaskets. FN651E 1967-81 21/32 ... Chrome Valve Cover Zinc Plated Bolts (8 Pieces) (RE ... an exact reproduction of the original valve cover bolts used on all RA IV, 455HO ... FN651E with Fel-Pro high performance valve cover gaskets. Note: These are too long ... to be used with standard valve cover gaskets. FN651F 1967-81 Standard Valve ... Cover Gaskets w/Pontiac V-8 (GM) ........................ 23.00 ... applications except RA IV or modified valve trains. FN651H 1967-81 Hi-Performance ... Valve Cover Gaskets w/Pontiac V-8(AP)............. 24.00/pr. These ...

! northernautoparts.com Camshafts, Valvetrain Accessories Extruded Aluminum Roller- ... guideplates or use Pt. No. 52655-16) Pontiac V8 265-455 1955-81 with straight 7/16" ... nut 10750-16* S/B Chevy center bolt valve cover 1.50 ratio 3/8" stud ... V8 262-400 1955-87 (Not to use with valve springs over 1.520 O.D.) Non Self- ... V8 396-454 1965-90 (Not to use with valve springs over 1.560" O.D.) (up to .560" ... with OEM rollers . . . . . . .$84.99 Pontiac V8 66415C 287-455, 1957-81 ... -302, 5/16" HT . . . . . . . . .$26.99 Pontiac 28660-16 67-79 V8 350-455, 5/16" HT ... 350-455 Flat 5/16 $23.99 4851-8 Pontiac 350-455 Flat 5/16 $23.99 Stamped ... tip to reduce friction and wear at the valve stem tip and an extralong slot to ...

! northernautoparts.com Camshafts, Valvetrain Accessories Race-Flo Valves Race-flo ... one-piece stainless steel valves. Race-flo Series valves have an undercut ... int 1.940 .3420 Stock 5.075 .395 5 dish Valve Stem Locks Price Per Each Set. Single ... locked for precise and critical valve train adjustments. Manufactured from ... Price Chevrolet 283-400 Small Block, Pontiac V8 Ford 289-302-351, gold tone finish ... 3/8" $24.99 Chevrolet 396-454 Big Block Pontiac heavy-duty, bright zinc finish 921G 670 ... Arms Chevrolet 283-400 Small Block, Pontiac V8 Ford 289-302-351 (ex 351C), gold ... 3/8" $29.99 Chevrolet 396-454 Big Block Pontiac heavy-duty, black finish 924G 544" 7/16 ... 525.99 RP1451-16 Pontiac 1965-1979 326-455 V8 1.52 Magnum ... 165.99 RP1452-16 Pontiac 1965-1979 326-455 V9 1.65 Magnum ...

ford eng 2000-97 vin s sohc triton 20 valve e f series excursion 1999-97 non-pi ... 1992-87 vin g l w/efi w/o smog center valve cover bolts f-series 1990-85 vin g l w/ ... spectrum 1988-85 vin 4 4alc sohc 8 valve w/carb nova 1988 vin 5 4age dohc 16 ... valve w/fi nova 1987-82 vin c sohc w/closed ... eng general motors 1.6l/98 l4 pontiac eng 1993-88 vin 6 sohc lemans 12 - ...

1975-73 vin n g180 g180z sohc aluminum valve cover luv truck 1982 vin g cast iron ... eng general motors 1.8l/112 l4 pontiac eng 1986-84 vin j sohc w/fi turbo 1986 ... eng general motors 2.0l/122 l4 pontiac eng 1994-92 vin h n p r sohc 1991-87 ... g fwd 1995-94 vin a d dohc quad 4 16 valve w/o notch at thermostat opening 1994 ... vin 3 sohc quad 4 8 valve w/o notch at thermostat opening 1993 ... vin a d dohc quad 4 16 valve w/notch at thermostat opening 1993 vin ... 3 sohc quad 4 8 valve w/notch at thermostat opening 1992-89 ... vin d dohc quad 4 16 valve w/notch at thermostat opening 1992 vin ... 3 sohc quad 4 8 valve w/notch at thermostat opening 1989-87 ... vin d dohc quad 4 16 valve w/notch at thermostat opening 1977-76 ... vega 1999-96 vin t dohc quad 4 16 valve w/o notch at thermostat opening 1999 ...

exhaust head waterneck distributor and valve cover gaskets application chevrolet ... gaskets a specs exhaust gaskets specs valve cover gaskets #7361 #7310 4.190 bore 0 ... #7314 #7228 port 1.50 x 2.10 #7563 pontiac pontiac 1961-1976 326-389-421-428-455 # ...

1/16 thick 4bbl heads 1.17w x 2.27h pontiac 65-79 326-455 1/16 thick 1.18w x 2.20h ... x 1.48h oldsmobile 64-76 330-455 all pontiac 65-79 326-455 all d port inc ram air ... 5938 5935 5936 5945 5921 molded rubber valve cover gaskets made from silicone bead ... 95 part no 5853g 5854g 5859g ultra-seal valve cover gaskets made from a special ultra ...

4449 signature series signature series valve covers · high-quality stamped steel · ... triple chrome-plated signature series valve covers have stock-style breather ... that prevent oil passage to the pcv valve these quality valve covers accept all ... emissions equipment including pcv valve rubber grommets for the breather and ... pcv valve holes included matching breathers sold ... clear most aluminum roller rockers and valvetrain components with moderate lift cams low ... profile valve covers clear air-conditioning and alternator ... brackets signature series tall profile valve covers will not clear stud girdles due ... v8 fits 5 and 10-hole heads 2.9 4485 pontiac 301-326-350-389-400-421-4 55 v8 62-79 ... and hold-down tabs #4402 universal valve cover hold-down kits may be used on all ...

accessories elite series aluminum valve covers s/b ford elite valve cover # ... these heavy-gauge die-cast aluminum valve covers are available in two finishes ... name and one without the no name valve covers offer the distinctive look of ... stock and clear most roller rockers and valvetrain components our low profile valve covers ... gasket flange edge to the top of the valve cover dimensions accurate within 1/8 ... profile no name a 4-1/4 4261 c n/a pontiac v8 1962-79 stock height 2-11/16 4256 ... custom look you want popular edelbrock valve covers breathers and air cleaners are ... chevy #4280 elite series centerbolt valve covers pontiac #4256 elite valve covers ... -block ford #4260 a some tall profile valve covers will interfere with air- ...

350 68-76 400 65-69 425 65-67 455 68-76 pontiac 5-79 326-455 all d port inc ram air ... 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 valve cover gaskets reliable cork/rubber compound ... for best results glue gaskets to the valve cover and use low bolting pressure ... extra thick 87-up 5.0/5.7l centerbolt valve covers chrysler/dodge/plymouth 64-89 ... 460 1/8 thick oldsmobile 64-76 330-455 pontiac 65-77 301-455 exc 305 350 w/tpi intake ... two per set application sb chevy/pontiac raised runner 867 head 1/16 sb chevy ... splayed valve head 1/16 sb chevy lt1 92-96 sb chevy ... vortec l31 sb chevy sb2.2 valley cover 1/16 sb chevy sb2.2 head 1/16 sb ...

1/16 thick 4bbl heads 1.17w x 2.27h pontiac 65-79 326-455 1/16 thick 1.18w x 2.20h ... x 1.48h oldsmobile 64-76 330-455 all pontiac 65-79 326-455 all d port inc ram air ... 5938 5935 5936 5945 5921 molded rubber valve cover gaskets made from silicone bead ... 95 part no 5853g 5854g 5859g ultra-seal valve cover gaskets made from a special ultra ...

valve covers edelbrock first made these aluminum ... valve covers in the late 50s and they re still a ... classic black classic finned aluminum valve covers 41853 edelbrock first made these ... aluminum valve covers in the late 50 s and they re still a ... aluminum description 4199 elite series valve covers tall die cast valve covers are ... aluminum for excellent heat control and valve train noise-silencing a perimeter of ... chevy 262-400 v8 59 later tall profile pontiac v8 62-79 stock height chevy 396-454 v8 ... fe v8 1958-76 ford small block 221-351w pontiac 301-455 v8 1962-79 part no 4244 4246 ... 4249 4256 4280 4260 signature series valve covers edelbrock s chrome signature ... series valve covers feature stock height oe style baffles ...

valve covers accessories moroso s deep ties to ... and kicked-out sumps the first tall valve cover lightweight front drag tires ... faster and win races die cast aluminum valve covers chrome plated valve covers ... for those who seek high luster chrome valve covers but could do without show car ... 273-360 429-460 oldsmobile 330-455 pontiac 301 455 68161 68181 68301 68281 ... sb chevy centerbolt die cast aluminum valve covers description universal ... 68010 68011 stamped anodized aluminum valve covers description sb chevy tall design ... red ford 429 429cj 460 tall design blue pontiac 301-455 tall design blue valve cover ... ° comes in clamp-on style for moroso covers with welded-in stacks 1-3/8 i.d ... 180° non-hooded style classic die cast valve covers packaged two to a set with ...

pro master catalog high performance valve covers accessories moroso s deep ties ... and kicked-out sumps the first tall valve cover lightweight front drag tires ... faster and win races die cast aluminum valve covers chrome plated valve covers ... those who seek high luster chrome vlave covers but could do without show car prices ... 273-360 429-460 oldsmobile 330-455 pontiac 301 455 68161 68181 68301 68281 ... sb chevy centerbolt die cast aluminum valve covers description universal ... 68036 b d a stamped anodized aluminum valve covers description sb chevy tall design ... tall design blue anodized aluminum c pontiac 301-455 tall design blue anodized ... d part no 68012 68145 68271 perm-align valve cover gaskets specially designed ... constantly removing and reinstalling valve covers full 3/16 thick two per package ...

2006 parts pro master catalog valve covers edelbrock first made these aluminum ... valve covers in the late 50s and they re still a ... styled for good looks signature series valve covers edelbrock s chrome signature ... series valve covers feature stock height oe style baffles ... 4462 4461 4463 4485 4456 elite series valve covers tall die cast valve covers are ... aluminum for excellent heat control and valve train noise-silencing a perimeter of ... chevy 262-400 v8 59 later tall profile pontiac v8 62-79 stock height chevy 396-454 v8 ... oldsmobile 350-455 v8 stock profile pontiac 301-326-350-389-400-421-4 55 v8 62 ... 4246 4248 4249 4256 4280 4260 racing valve covers these lightweight highstrength ... die-cast aluminum valve covers feature black powder-coating and a ...

proform valvetrain proform is the value leader in ... valvetrain components offering friction reducing ... us made high performance pushrods and valvetrain tools and accessories primarily suited ... rockers and fit under the stock gm valve covers obviously roller rockers reduce ... friction and wear as well as prolong valve train component life they can be used ... unleash horsepower they also lengthen valve train component life and reduce wear ... and tear on valve stem tips precision machined to insure ... stud 8 pcs chevy sb w/center hold-down valve cover 1.5 ratio 3/8 stud self aligning ... chevy sb w/center hold-down valve cover 1.6 ratio 3/8 stud self aligning chevy ... turn equals more horsepower and longer valve train component life each set includes ... unleash horsepower they also lengthen valve train component life and reduce wear ...

performance valvetrain components www.compcams.com magnum ... roller tip · fits under most tock valve covers application chevrolet 265-400 ... 351w rail 68-89 289-351w non-rail 61-67 pontiac 265-455 stud size 3/8 3/8 3/8 7/16 ... oldsmobile v8 260-455 1965-83 3213 pontiac v8 326-455 1955-81 3212 magnum 2100 ...

Water Neck, Water Pump and Timing Chain Cover. 66361 Bolt Kit ... Camino 82 85 .............$13.25 66629 Pontiac 55 79 ......................... ......$ ... -style oil restricting baffles in the valve covers. All steel components are richly ... shafts. All Chevy kits contain 2 Valve Covers, Stock-Height with Baffle; 1 Push-In Air ... the parts listed below: Timing Chain Cover with Oil Seal, 1 Timing Tab 66851 Chevy ... 56.19 8 Deluxe Wing Bolts w/ Studs; 8 Valve Cover Hold Down Clamps 66853 Chevy S/B ... 60.44 Timing Chain Cover with Oil Seal, 1 Timing Tab 66855 Chevy ... 80.63 Each kit below contains 2 Valve Covers, Stock-Height with Baffle; 1 Rubber ... w/ Studs 8 Hold-Down Washers 66865 Pontiac 301-455 ... 440.................. .......$2.32 Coil Cover Kit 66120 Universal ... 36.52 Fly Wheel Cover 66621 Fits Chevy S/B with Turbo 350 or ...

Nuts The perfect complement to custom valve covers. Wide- Shoulder ends allow ... applicable (Chevrolet 66209, 66210, and Pontiac 66212). They are highly polished and ... , and Chevelle V8s 66-75..$12.95 66212 Pontiac V8 64-81 ... -Ring ......................... ..$2.11 Valve Covers Computer-designed for precise ... , polished to a brilliant luster. All valve covers are supplied with OEM style oil ... girdles may not clear baffle in tall valve covers. Check clearance before ... -440.................. ..$48.68 66732 Pontiac: Fits 301-455 ... location, neatly parallel to the valve cover. The wires secured with PROFORMs unique ... 57.06 Fits Pontiac V8. 66390 Red ... 57 .06 One-Piece Valve Cover Hold Downs Fits Chevrolet small block ... stamped valve covers. Easily dropped into position, these ...

Water Neck, Water Pump and Timing Chain Cover. 66361 ..........Bolt Kit Head Bolt Set ... and El Camino 82 85 66629 ..........Pontiac 55 79 66184 ..........Ford S/B engines ... -style oil restricting baffles in the valve covers. All steel components are richly ... shafts. All Chevy kits contain 2 Valve Covers, Stock-Height with Baffle; 1 Push-In Air ... the parts listed below: Timing Chain Cover with Oil Seal, 1 Timing Tab 66851 ... S/B 8 Deluxe Wing Bolts w/ Studs; 8 Valve Cover Hold Down Clamps 66853 .......... ... Chevy S/B Timing Chain Cover with Oil Seal, 1 Timing Tab 66855 ... Chevy B/B Each kit below contains 2 Valve Covers, Stock-Height with Baffle; 1 ... 8 Hold-Down Washers 66865 ..........Pontiac 301-455 Fuel Pump Block-Off Plates w/ ... ; Ford 289-302; Chrysler 273-440 Coil Cover Kit 66120 ...

Nuts The perfect complement to custom valve covers. Wide- Shoulder ends allow ... applicable (Chevrolet 66209, 66210, and Pontiac 66212). They are highly polished and ... and Chevelle V8s 66-75 66212 ..........Pontiac V8 64-81 66610 ..........Replacement O- ... Ring Valve Covers Computer-designed for precise fit and ... , polished to a brilliant luster. All valve covers are supplied with OEM style oil ... girdles may not clear baffle in tall valve covers. Check clearance before ... B/B: Fits 361-440 66732 ..........Pontiac: Fits 301-455 SLOTLOK Wire Separators 2 ... location, neatly parallel to the valve cover. The wires secured with PROFORMs unique ... Red 66399 ..........Blue Fits Pontiac V8. 66390 ..........Red One-Piece Valve ... Cover Hold Downs Fits Chevrolet small block ...

58-65 all 348 409 64-69 all wire over valve cover 283 327 68-73 all wire over valve ... cover 307 70-74 all w/o hei wire over vc ... 64-74 all w/o hei 330 to 455 5047 pontiac 77-79 firebird phoenix chevy engine 305 ... 65-72 all 396 402 68-73 all wire over valve cover 307 part no 4065 4053 4043 4048 ...

cap chevy sb pre-hei w/wires over the valve cover chevy sb w/hei w/wires over the ... valve cover chevy bb car/trucks 77-85 w hei chevy/ ... /gmc 96-98 c/k 1500 2500 3500 chevy/pontiac 93-97 5.7l lt1 camaro/firebird chevy 98 ... 96-98 chevy sb pre-hei w/wires over the valve cover chevy sb w/hei w/wires over the ... valve cover chevy sb 305-350 car/trucks 78-82 w hei ... 400m cars trucks w/electronic ignition pontiac 75-92 260-350 black 31363 31833 32153 ...

bu~ckijeep 225 c.i 1yfil buick/olds/pontiac 231 c part 6173-12 bu~ck/jeep,f 98 c.i ... 196 part 6228-c buick/olds/pontiac 2 3 1 c 1979 ar~d yater jeep v6 ... chrome low profile #5718 buick jeep v6 valve covtihs offy has varve covers to f i t ... changed placement of bolt holes on the valve covers part i74 fits this limited appl~ ... ~ginal design and take the normal 5881 valve covers advise any customer with 1977 or ...

inches ah engines dualquad 4c 4 pontiac-tempest manifold no heat 4 cylinder only no k ... 3 lbs t l b 6 duat manltold lt b1189-valve cover caps polrshed per pair plymouth ... part #31 ipping wt 8 ibs ffll9brlalve covers pollshed per pair wt 13112 ibs ...

58-65 all 348 409 64-69 all wire over valve cover 283 327 68-73 all wire over valve ... cover 307 70-74 all w/o hei wire over vc ... oldsmobile 64-74 all w/o hei 330 to 455 pontiac 80-82 all 4.4l 77-79 firebird phoenix ... 65-72 all 396 402 68-73 all wire over valve cover 307 part no 4065 4053 4043 4048 ...

3136 chevy sb pre-hei w/wires over the valve cover chevy sb w/hei w/wires over the ... valve cover chevy sb 305-350 car/trucks 78-82 w hei ... 400m cars trucks w/electronic ignition pontiac 75-92 260-350 the ultimate performance ... cap chevy sb pre-hei w/wires over the valve cover chevy sb w/hei w/wires over the ... valve cover chevy bb car/trucks 77-85 w hei chevy/ ... /gmc 96-98 c/k 1500 2500 3500 chevy/pontiac 93-97 5.7l lt1 camaro/firebird chevy 98 ...

fasteners included · intake manifold · valve cover · thermostat housing · alternator ... oil pan coil bracket header front cover water pump fuel pump stainless oil pan ... ford 390-428 fe series ford 429-460 pontiac 350-455 hex 534-9601 535-9601 544-9601 ...

Camaro V8, 1989-1992 8958 -- Nova, 16 valve engine, 1988 49115 G.M.C. Syclone ... -- Daytona IROC R/T, Spirit R/T,16 valve 2.2 engine, 1991-1993 49177 -- Neon, ... , 1.6 DOHC engine, 1991-2000 49222 PONTIAC Firebird Turbo, 1989 6954 -- Firebird ... , 3.0 (7MGE) engine 6987 VOLKSWAGEN 8 valve engines, Golf, Rabbit etc. 4919 -- 16 ... valve engines (up to 1991) 49126 -- Type 1 ... headers with wires routed over top of valve covers. With HEI 89136 -- Without HEI ... headers with wires routed along side of valve covers. With HEI 89139 -- Without HEI ...