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 Cottons Performance Center
 105 Walnut St.
 Agawam, MA 01001
 Ph:  (413) 789-0531
 Fx:  (413) 789-0401
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Home » Buick Grand National » Engine Overhaul

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Motor Mount Pair
Product ID: 23842

Details 

Stock replacement mounts
Price: $35.98

Plenum Gasket
Product ID: 24502

Details 

Upper intake gasket for stock style plenums

Price: $5.99

Headgasket, graphite
Product ID: 25528486

Details 

we recommend stock OEM gasket for stock block, unmachined block surface

WE OFFER THESE INDIVIDUALLY, SO BE SURE TO LIST QUANTITY NEEDED WHEN ORDERING.

Price: $58.95

Double Roller Timing Chain Set
Product ID: 3129

Details 

Competition Cams double roller timing chain and gear set
List Price: $79.95
Price: $59.00

Graphite Header Gasket Set
Product ID: 4972

Details 

Price: $18.00

Comp Cam HT Lifters
Product ID: 869-12

Details 

these lifters are for use with stock or aftermarket hydraulic flat tappet cam
Price: $79.00

ARP Header Stud Kit
Product ID: ARP120-1402

Details 

Header Studs, External 12-Point, Steel, Black Oxide, Set of 12 w/ washers

Price: $45.00

ARP Head Bolt Kit, stock/iron
Product ID: ARP123-3703

Details 

Stock or Champion Iron Head Bolts, 12-Pt
Price: $46.00

ARP Main Stud Kit
Product ID: ARP123-5401

Details 

Main Cap Studs, 2-Bolt Main
Price: $62.00

ARP Rod Bolt Kit
Product ID: ARP123-6002

Details 

Connecting Rod Bolts, Pro Series Wave-Loc, 8740 Chromemoly Steel, Set of 12
Price: $99.00

ARP Head Bolt Kit, stock/iron
Product ID: ARP223-3703

Details 

Cylinder Head Bolts, High Performance Pro Series, 12-Point Bolt Head for the 86/87 stock or Champion Iron Heads

Price: $79.00

ARP Head Bolt Kit, Champion Alum.
Product ID: ARP223-3705

Details 

Cylinder Head Bolts for the Champion GN1 Aluminum heads
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Price: $109.95

ARP Header Stud Kit, stainless-steel
Product ID: ARP420-1402

Details 

Header Fasteners, Studs, External 12-Point, Stainless-Steel, Set of 12
Price: $104.00

ARP Intake Manifold Bolt Kit
Product ID: ARP423-2001

Details 

Bolts, Intake Manifold, Stainless Steel, Hex Head
Price: $45.00

Rear Main Seal
Product ID: BS40613

Details 

Felpro Rear Main Bearing Set includes:

  • 2 Rear Main Bearing Seal
  • 2 Rear Main Bearing Cap Pin
  • 2 Rear Main Cap Seal
  • 2 Rear Bearing Cap Pin
Price: $19.49

Cometic Headgaskets
Product ID: CMHG
Cometic Headgaskets
 

These multi layered, shim type gasket are the best we have used to keep the combustion chamber sealed. We like using them after the block deck has been suared and true with a fine finish to the deck surface. WE OFFER THESE INDIVIDUALLY, SO BE SURE TO LIST QUANTITY NEEDED WHEN ORDERING.

  * we recommend stock OEM gasket for stock block, unmachined block surface.

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Price: $79.00

Diamond Pistons
Product ID: DIAPIS

Details 

This is a great upgraded forged piston for your stock block, with wrist pins.  Diamond pistons offer reduced friction, better ring sealing, faster acceleration, more horsepower and torque in your high performance street, strip or race car engine. Don't forget to order a custom set of rings.....and K1 rods to complement these beautiful pistons..

 

• Upgraded replacement type forged piston. 2618 alloy

• Engineered for turbo applications

• .250” undercrown thickness

• Ratios figured “0” deck @ 9.510”

• Top ring down = .280”

• Premium 4130 pins included

• Revised quench area improves performance

 

* don't forget to order your rings with these pistons

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List Price: $590.00
Price: $579.00

Timing Cover Gasket Set
Product ID: ENG112

Details 

comes with all gaskets needed to replace your timing cover, including the correct rubber crank seal
Price: $19.00

Main Bearing Center Caps
Product ID: ENG116
Main Bearing Center Caps
 

these are our most common upgrade for most engines we rebuild. Only the best for you, Pro-Gram engineering built pieces.

 made out of billet steel

Price: $159.95

Main Bearing Cap, Front
Product ID: ENG117

Details 

this is the #1 located cap for those that want a little more peace of mind when rebuilding your lower end.

 made out of billet steel

Price: $75.00

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Jack Cotton's 8.90 @ 154MPH 1986 Buick
 T-Type