Cometic Chrysler 318/340/360 4.080inch Bore .120 Thickness MLS Head Gasket
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Cometic Chrysler 318/340/360 4.040 inch Bore .027 inch MLS Head Gasket (Non SVO)
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Cometic Chrysler 318/340/360 4.040 inch Bore .030 inch MLS Head Gasket (Non SVO)
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Cometic Chrysler 318/340/360 4.040 inch Bore .051 inch MLS Head Gasket (Non SVO)
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Cometic Chrysler 318 / 340 / 360 102.62mm Bore .060in MLS-5 Head Gasket
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Cometic Chrysler 318/340/360 4.040 inch Bore .075 inch MLS Head Gasket (Non SVO)
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Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI 4.5in Bore MLS Cylinder Head Gasket
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Cometic Chevy Big Block Gen 4/5/6 4.5in Bore .086 inch MLS-5 Head Gasket
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Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/V 4.530in Bore .040 inch MLS Head Gasket
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Cometic GM/Mercury Marine Big Block V8 Gen IV/V/VI 4.580in Bore .027in MLS Cylinder Head Gasket
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Cometic Mercury/Chevy BB 4.580in Bore .026in MLS-5 Gen 4/5/6 Blocks Head Gasket
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Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI 4.580in Bore .051in MLS Cylinder Head Gasket
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Cometic Mercury/Chevy BB 4.580in Bore .070in MLS-5 Gen 4/5/6 Blocks Head Gasket
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Cometic Mercury / Chevy Big Block 4.6in Bore .027 inch MLS Head Gasket
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Cometic Mercury / Chevy Big Block 4.6in Bore .051 inch MLS Head Gasket
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Cometic Mercury / Chevy Big Block 4.5in Bore .040 inch MLS Head Gasket
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Cometic Mercury / Chevy Big Block 4.5in Bore .051 inch MLS Head Gasket
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Cometic GM/Mercury Marine 1050 Gen 4 Big Block V8 4.530in Bore .051in MLS Cylinder Head Gasket
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Cometic Mercury / Chevrolet Gen. IV 4.580 inch Bore .027 inch MLS 1050 Motor Head Gasket
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Cometic Chevy BBC / Dart 2 Bolt Intake Block 4.58inch Bore .040 thick MLS Head Gasket
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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.

