Cometic Chevy Small Block 4.200 inch Bore .027 inch MLS Head Gasket (w/All Steam Holes)
Choose your option
Cometic Chevy Small Block 4.200 inch Bore .030 inch MLS Head Gasket (w/All Steam Holes)
Choose your option
Cometic Chevy Small Block 4.200 inch Bore .036 inch MLS Head Gasket (w/All Steam Holes)
Choose your option
Cometic Chevy Small Block 4.200 inch Bore .045 inch MLS Head Gasket (w/All Steam Holes)
Choose your option
Cometic Chevy Small Block 4.200 inch Bore .060 inch MLS-5 Head Gasket (w/All Steam Holes)
Choose your option
Cometic Chevy Small Block 4.200 inch Bore .066 inch MLS-5 Head Gasket (w/All Steam Holes)
Choose your option
Cometic Chevy Small Block 4.200 inch Bore .070 inch MLS-5 Head Gasket (w/All Steam Holes)
Choose your option
Cometic Chevy Small Block 4.200 inch Bore .075 inch MLS-5 Head Gasket (w/All Steam Holes)
Choose your option
Cometic Chevy Small Block 4.200 inch Bore .080 inch MLS-5 Head Gasket (w/All Steam Holes)
Choose your option
Cometic Chevy Small Block 4.200 inch Bore .086 inch MLS-5 Head Gasket (w/All Steam Holes)
Choose your option
Cometic Chevy Small Block 4.200 inch Bore .089 inch MLS-5 Head Gasket (w/All Steam Holes)
Choose your option
Cometic Chevy Small Block 4.200 inch Bore .092 inch MLS-5 Head Gasket (w/All Steam Holes)
Choose your option
Cometic Chevy Small Block 4.200 inch Bore .098 inch MLS-5 Head Gasket (w/All Steam Holes)
Choose your option
Cometic Chevy Small Block 4.200 inch Bore .120 inch MLS Head Gasket (w/All Steam Holes)
Choose your option
Cometic Chevy Small Block 4.200 inch Bore .140 inch MLS-5 Head Gasket (w/All Steam Holes)
Choose your option
Cometic Chevy Small Block All 12-23 Deg. Head 4.200in Bore .030in MLS Head Gasket
Choose your option
Cometic Chevy Small Block All 12-23 Deg. Head 4.200in Bore .080in MLS Head Gasket
Choose your option
Cometic Chevy Small Block Brodix (All 12-23 Deg Head) 4.030in Bore .027 inch MLS Head Gasket
Choose your option
Cometic Chevy Small Block Brodix (All 12-23 Deg Head) 4.030in Bore .040 inch MLS Head Gasket
Choose your option
Cometic Chevy Small Block Brodix (All 12-23 Deg Head) 4.030in Bore .080 inch MLS-5 Head Gasket
Choose your option
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.

