Mahle PowerPak F/T Forged Piston and Ring Kit - 4.040 in Bore - 1.0 x 1.0 x 2.0 mm Ring Grooves - Minus 5.00 cc - Small Block Chevy Suspension Bump Stop Driven’s AT3 features multifunctional additives

Driven’s AT3 features multifunctional additives

Valve stem holes are placed behind the center to prevent air leaks during wheel-to-wheel racing

Elastic zig zag gauntlet closure ensures the gloves stay comfortably in place over the fire suit

By converting the coil-spring rear suspension to adjustable coil-overs

This Strange Oval drive plate will work with every 24-spline outboard axle spline on the market

Mahle PowerPak F/T Forged Piston and Ring Kit - 4.040 in Bore - 1.0 x 1.0 x 2.0 mm Ring Grooves - Minus 5.00 cc - Small Block Chevy Suspension Bump Stop Driven’s AT3 features multifunctional additivesEvery 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