Mahle PowerPak Forged Piston and Ring Kit - 4.030 in Bore - 1.0 x 1.0 x 2.0 mm Ring Groove - Minus 6.50 cc - Small Block Ford 930244730 JK2-G1 40 square inches of area

40 square inches of area for increased clamping force

Designed specifically for all US BUILT 2003-2006 GM full-size trucks and SUVS to increase the intensity and improve the spread pattern by keeping all four lights on when in high beam mode

600" OD valve guides

Compatible with 8/6/4 cylinder engines

Mahle PowerPak Forged Piston and Ring Kit - 4.030 in Bore - 1.0 x 1.0 x 2.0 mm Ring Groove - Minus 6.50 cc - Small Block Ford 930244730 JK2-G1 40 square inches of areaEvery 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