Mahle PowerPak Forged Piston and Ring Kit - 4.125 in Bore - 1.0 x 1.0 x 2.0 mm Ring Groove - Plus 4.00 cc - Small Block Chevy Skyjacker Holley Metering Block Gasket 108-91-2

Holley Metering Block Gasket 108-91-2 Non-Stick - Primary /Secondary Gaskets - 2 Per Package - Blue

Special rubber cap with clamp-on aluminum billet cover - blocks off the front port

Re-designed for better fit and function

designed to fit the Mustang GT & Mustang GT500

Mahle PowerPak Forged Piston and Ring Kit - 4.125 in Bore - 1.0 x 1.0 x 2.0 mm Ring Groove - Plus 4.00 cc - Small Block Chevy Skyjacker Holley Metering Block Gasket 108-91-2Every Mahle piston is backed by 90 plus years of racing heritage and technology. From the invention of the first aluminum piston to the most advanced design and machining processes being used today, MAHLE delivers unmatched performance and durability. MAHLE's light weight, low drag, design specific forgings are machined with close attention given to ring groove quality, tolerances and consistency. All Mahle pistons are dual or triple coated, adding