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Forged Stroker Pistons

	CID	Bore	Stroke	Flat/dished		Rod length		Ring part #	Piston Part#	Piston Price
	434-440	4.155-4.185	4.0"	Flat 4.3cc		6.800 BBC		2M5529	KB937	$499.00
	461-468	4.155-4.185	4.250"	Dish 10.6		6.800 BBC		2M5529	KB938	$499.00
	461-468	4.155-4.185	4.250"	Flat 4.3cc		6.800 BBC		2M5529	KB941	$499.00
	488-501	4.155-4.210	4.500"	Flat 4.3cc		6.700 BBC		2M5529	KB942	$499.00
	488-501	4.155-4.210	4.500"	Dish 16.8		6.700 BBC		2M5529	KB943	$499.00
	461-474	4.155-4.210	4.250"	Dish 30cc		6.635 BBC		2M5529	KB981	$499.00
	505-538 *	4.350 – 4.360	4.250 or 4.500	Flat 17.3 cc		6.700 or 6.800		2M5528	KB631	$559.00

Spotts Performance offers FORGED stroker pistons for both the cast and forged aftermarket crankshafts for Pontiacs. All pistons are sold as a set of 8. You can now increase both 400 and 455 blocks from 434 to 501 CID’s! Aftermarket blocks from 505 to 538 without custom pistons

The KB981 was developed by Spotts Performance for use in “stealth” engines so pump gas can be used with 72 cc’ iron heads. We have built many stock appearing 4bbl. Tripower and even RAIV’s as pump gas 461 plus engines. Stock looking engines, street, strip or race engines can now be increased from 461 to 501 CID without ordering expensive custom made units. Pistons are quality forged units with .990 BBC style pins included and pin fitted. Pistons allow use with factory heads, Edelbrock, KRE and others. Note – certain larger intake valves on ported aftermarket heads may not work (except for KRE high ports!). We also offer complete rotating assemblies, complete short blocks, or complete crate engines! 

 * NOW AVAILABLE – large bore aftermarket block pistons for KRE MR1 and IAII aftermarket blocks! Another piston designed by Spotts and KB to allow both 4.250 and 4.500 stroke cranks to used in the aftermarket blocks. The compression height is 1.292 and with 4.250 stroke and 6.800 inch rods, the stack height is 10.217. The piston will be in the hole and block will be needed to be decked for proper compression ratio with heads used. When the KB631 piston is used with a 4.500” stroke and the 6.700 long rod, the stack height is 10.242 – so on a 10.240 deck height block, the piston will be out of the hole .002    

Engine	Bore	Compr.	Flat/dished	Type	Rings	Part#	Price
389	60	9.8	Flat 4 v r	FHR	2M644	KB9946 std	$399.00
400	STD 30-40-60	9.8	Flat 4 v r	FHR	2M644	KB9946	$399.00
400	30 40 60	9.5	Dish 14cc	Forged	2M5529	KB891	$449.00
400	30 40 60	10.5	Flat 6cc	Forged	2M5529	KB890	$426.00
428	30-40-60	10.5 w/72	Dish 10cc	Forged	2M5529	KB892	$449.00
455	30 40 60	9.3 w/100cc	Flat 6cc	Forged	2M5529	KB888	$426.00
455	30 40 60	10.6 w/72	Dish 15cc	Forged	2M5529	KB889	$449.00

Notes. FHR is forged head relief – all other pistons completely Forged. All pistons accept full float or press fit rods. All above pistons are for stock spec rods - length, big end, pin bore and stock strokes. Stroker pistons listed separately. Will not accept factory ring packs (except FHR)– must order rings listed. All pistons accept stock or Edelbrock heads.

KB Pistons

Engine	Bore	Compr.	Flat/dished	Type	Rings	Part#	Price
389	30-40-60	10.5	Flat 3.5cc	Hypereutectic	2M639	KB370	$319.00
389	.060 4.120 bore	9.5	Dish 17cc	Hypereutectic	2M644	KB346-std	$339.00
400	Std 30 40 60	9.5	Dish 17cc	Hypereutectic	2M644	KB346	$339.00
400	30 40 60	10.5	Flat 6cc	Hypereutectic	2M644	KB133	$319.00
421	60-4.150	11.3	Flat 6cc	Hypereutectic	2M644	KB304-30	$319.00
428	30 40 60	11.3	Flat 6cc	Hypereutectic	2M644	KB304	$319.00
455	30 40 60	9.5 w/72cc heads	Dish 30 cc’s	Hypereutectic	2M643	KB371	$339.00
455	30 40 60	9.5 w/96cc heads	Flat 6 cc	Hypereutectic	2M643	KB222	$319.00
455	30 40 60	9.0 w/105cc heads	Dome 0 cc	Hypereutectic	2M643	KB347	$319.00

Notes: hypereutectic pistons require the upper rings to be gapped wider – pistons will work with press fit or bushed rods – pistons include pins and locks. All above pistons are for stock spec rods - length, big end, pin bore and stock strokes. The dished 389 pistons are 400 pistons and only available in 1 size (4.120 bore)

“Pontiac” Cast aluminum valve covers - US MADE!!!!!!!!!! Includes chrome breathers and heavy duty grommets Part # VC1 "AS CAST" needs to be painted or glass beaded $139.00 pair Part # VC1B BLACK (Wrinkle) PONTIAC CAST ALUMINUM VALVE COVERS $179.00 Part # VC1P POLISHED PONTIAC CAST ALUMINUM VALVE COVERS $229.00 Part # VC1PNT PAINTED (SPECIFY METALLIC OR LIGHT BLUE) PONTIAC CAST ALUMINUM VALVE COVERS $199.00 Part # VC1G GLASS BEADED PONTIAC CAST ALUMINUM VALVE COVERS $179.00 FAQ Q-Will Valve Covers clear roller rockers? A-Depends on rocker arms, but most we checked the covers needed our 5/16 thick valve cover gaskets (VCG1) . depends on how high the poly locks are. Stock will work or roller tip work with regular gaskets - stud girdle needs our 1" spacers. (see below)

Zpaste engine assembly and cam lube. This is the best cam lube I've used for flat tappet cams. The zinc and moly combination allows the paste to stick to cam journals, distributor gears, rocker ball and push rod tips. The Z-paste incorporates the ZDDP additive and greatly reduces cam and lifter wear during engine break in. Part #ZP01 - .625 oz Packet $5.99

KRE Northwind Street/Strip Intake

New street strip intake from KRE - the Northwind. Great for for those searching power but still wanting to keep the stock hood and an air cleaner. This intake is approx 1.25" lower then a Victor intake, yet flows better! This manifold is for horsepower applications from 550-800 HP in the 2500-7000 rpm range. Std. design is 4150 Holley style carb with a RA IV port match machined into the intake.

Standard North Wind Intake 4150 with RAIV port match	$270.00
Standard North Wind Intake 4150 with 310 cfm port match	$345.00
Standard North Wind Intake 4150 with 325-340 cfm port match	$345.00
Standard North Wind Intake 4150 with RAIV port match with water crossover	$320.00
Standard North Wind Intake 4150 with 310 cfm port match with water crossover	$395.00
Standard North Wind Intake 4150 with 325-340 cfm port match with water crossover	$395.00

For the 4500 series Holley dominator usage - CNC machined and designed to fit a HVH spacer

Standard North Wind Intake 4500 with RAIV port match	$295.00
Standard North Wind Intake 4500 with 310 cfm port match	$370.00
Standard North Wind Intake 4500 with 325-340 cfm port match	$370.00
Standard North Wind Intake 4500 with RAIV port match with water crossover	$355.00
Standard North Wind Intake 4500 with 310 cfm port match with water crossover	$420.00
Standard North Wind Intake 4500 with 325-340 cfm port match with water crossover	$420.00

Comp Cams Engine Break-in oil Engineers at COMP Cams and Endure Performance Lubricants have been working hand-in-hand to develop a full line of automotive lubricants, the first being the ZDDP-enhanced Engine Break-In Oil that provides maximum protection during initial engine break-in. Heavily tested and proven by the COMP Cams R&D team, this advanced lubricant provides maximum engine life while also allowing it to reach its full performance potential. It does so by improving the surface mating of valve train components (especially flat tappets), rotating assembly, rod journals, piston rings, valve guides and other vital areas of the engine. This proprietary formula includes the optimum amount of critical additives ZDDP (Zinc & Phosphorus), Molybdenum, detergents and high grade base oil. The multi-viscosity, mineral-based COMP Cams Engine Break-In Oil is fully-formulated and requires no additives or supplements. In addition, this product from the most trusted name in valve train technology is fully compatible with gasoline, methanol and high octane racing fuels. Part #1590 $6.00 each

NEW CNC Ported Heads!!! (click here for more information)

Timing Chain Sets

TCS05	STD. TIMING CHAIN SET double roller - GOOD	$39.95
TCS06	TIMING CHAIN SET - DOUBLE ROLLER - 3 key way - BETTER	$47.00
TCS06-5	TIMING CHAIN SET - DOUBLE ROLLER - 3 key way - 005 SHORTER - BETTER	$47.00
TCS07	TIMING CHAIN SET - DOUBLE ROLLER - 9 key way - BEST	$62.00
TCS07-5	TIMING CHAIN SET - DOUBLE ROLLER - 9 key way - 005 SHORTER - BEST	$62.00

SPOTTS PERFORMANCE is now using US MADE precision cast upper timing gears. The cast gears are lighter, stronger and better machined then the billet units. They have better harmonics and the chains on the BETTER and BEST units are the higher quality gold links. The -5 units work great in line honed/line bored blocks.

Oil filter adapter   Exact die cast (not sand casted) reproduction GM oil filter housing. Best one on the market. Features oil filter bypass with correct opening rate. Steel threaded insert for oil filter. OFA01 - Oil filter adapter - 64-72 GTO, 70-81 FB, and Trans Am - $89.00

 

Factory style valley pan   This pan allows use of PCV valve. Will clear hydraulic roller lifters. Will work on all Pontiac V8's except for factory intakes that have large EGR or exhaust crossovers. Will work on 67 and earlier cars, but PCV is placed up front, possibly interfering with intakes. VP01 - Factory style valley pan - $149.00

 

Factory style windage tray   Needs to be shimmed for larger stroke engines (455 and stroker cranks) not recommended for racing applications - see our WT4 WT3 - Factory style windage tray - short length - .048 thick - $79.00

Spotts Performance Metal Polish

 

Best polish on the market

Easy to use – and fast!

Carnauba wax & Silicone polymer protection

Resists oxidation, dirt and fingerprints

Can be used with machine buffers

Not for painted surfaces

Part #MP01 - Metal polish 8 oz bottle - $10.00