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 Special rubber cap with clamp-on

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

Helps keep driving suits from damage as well as the driver

Also fits Pontiac Firebird

easy to read display characters

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 Special rubber cap with clamp-onEvery 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