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Cometic GM Gen II/ Mark IV BB 4.630in Bore .040in MLS (396 / 402 / 427 / 454) Head Gasket

Head Gaskets

Cometic GM Gen II/ Mark IV BB 4.630in Bore .040in MLS (396 / 402 / 427 / 454) Head Gasket

Regular price $98.94
Sale price $98.94 Regular price $109.94
Cometic Street Pro GM 1970-85 454ci Big Block 4.375 Top End Gasket Kit

Gasket Kits

Cometic Street Pro GM 1970-85 454ci Big Block 4.375 Top End Gasket Kit

Regular price $220.59
Sale price $220.59 Regular price $237.21
Cometic Street Pro GM 1970-85 454ci Big Block Bottom End Gasket Kit

Gasket Kits

Cometic Street Pro GM 1970-85 454ci Big Block Bottom End Gasket Kit

Regular price $57.14
Sale price $57.14 Regular price $61.45
COMP Cams Alum Cam Gear Set Chevy 4 & 6

Cam Gears

COMP Cams Alum Cam Gear Set Chevy 4 & 6

Regular price $70.95
Sale price $70.95 Regular price
COMP Cams Cam & Lifter Kit C61 240H

Camshaft & Lifter Kits

COMP Cams Cam & Lifter Kit C61 240H

Regular price $372.95
Sale price $372.95 Regular price
COMP Cams Cam & Lifter Kit C61 252H

Camshaft & Lifter Kits

COMP Cams Cam & Lifter Kit C61 252H

Regular price $386.95
Sale price $386.95 Regular price
COMP Cams Cam & Lifter Kit C61 260H

Camshaft & Lifter Kits

COMP Cams Cam & Lifter Kit C61 260H

Regular price $386.95
Sale price $386.95 Regular price
COMP Cams Cam & Lifter Kit C61 268H

Camshaft & Lifter Kits

COMP Cams Cam & Lifter Kit C61 268H

Regular price $352.95
Sale price $352.95 Regular price
COMP Cams Cam & Lifter Kit C61 280H

Camshaft & Lifter Kits

COMP Cams Cam & Lifter Kit C61 280H

Regular price $386.95
Sale price $386.95 Regular price
COMP Cams Cam & Lifter Kit CB 252H

Camshaft & Lifter Kits

COMP Cams Cam & Lifter Kit CB 252H

Regular price $342.95
Sale price $342.95 Regular price
COMP Cams Cam & Lifter Kit CB 260AH-12

Camshaft & Lifter Kits

COMP Cams Cam & Lifter Kit CB 260AH-12

Regular price $390.95
Sale price $390.95 Regular price
COMP Cams Cam & Lifter Kit CB 260H

Camshaft & Lifter Kits

COMP Cams Cam & Lifter Kit CB 260H

Regular price $342.95
Sale price $342.95 Regular price
COMP Cams Cam & Lifter Kit CB 268H

Camshaft & Lifter Kits

COMP Cams Cam & Lifter Kit CB 268H

Regular price $342.95
Sale price $342.95 Regular price
COMP Cams Cam & Lifter Kit CB 270H

Camshaft & Lifter Kits

COMP Cams Cam & Lifter Kit CB 270H

Regular price $342.95
Sale price $342.95 Regular price
COMP Cams Cam & Lifter Kit CB 270S

Camshaft & Lifter Kits

COMP Cams Cam & Lifter Kit CB 270S

Regular price $390.95
Sale price $390.95 Regular price
COMP Cams Cam & Lifter Kit CB 279T H-10

Camshaft & Lifter Kits

COMP Cams Cam & Lifter Kit CB 279T H-10

Regular price $390.95
Sale price $390.95 Regular price
COMP Cams Cam & Lifter Kit CB 280H

Camshaft & Lifter Kits

COMP Cams Cam & Lifter Kit CB 280H

Regular price $342.95
Sale price $342.95 Regular price
COMP Cams Cam & Lifter Kit CB 282S

Camshaft & Lifter Kits

COMP Cams Cam & Lifter Kit CB 282S

Regular price $390.95
Sale price $390.95 Regular price
COMP Cams Cam & Lifter Kit CB 283T HR-7

Camshaft & Lifter Kits

COMP Cams Cam & Lifter Kit CB 283T HR-7

Regular price $1,166.95
Sale price $1,166.95 Regular price
COMP Cams Cam & Lifter Kit CB 286H

Camshaft & Lifter Kits

COMP Cams Cam & Lifter Kit CB 286H

Regular price $390.95
Sale price $390.95 Regular price

About Pure Auto Performance

Pure Auto Performance started with a simple idea: helping people find quality parts they can trust without the stress and confusion that usually comes with upgrading a car. We’re enthusiasts just like you, and we know how much pride goes into every build. Whether it’s improving a daily driver or working on a long-term project, the right part can make your car feel brand new again. That’s why we put care into everything we offer, choosing products that genuinely make a difference on the road.

We also believe car parts should be more than just nice to look at they should last, perform well, and fit the vision each driver has. Some customers prefer clean, subtle upgrades, while others love bold changes that completely transform their vehicle. No matter the style, our goal is to make the process easy, honest, and enjoyable. At Pure Auto Performance, we’re here to support you at every step so you can build a car that feels right for you. This brand is more than a store. It’s a community of people who love driving and want the best for their cars.

1-2 Day Fast Delivery
30 Days Free Returns
Secure Payment
24/7 Customer Support
High Quality Parts