Mahle PowerPak Forged Piston and Ring Kit - 4.040 in Bore - 1.0 x 1.0 x 2.0 mm Ring Groove - Minus 5.00 cc - Small Block Chevy 930200140 112009 Intended for the most demanding

Intended for the most demanding application

Ovate Beehive Spring

7/8 to 5/8 in Bore

040 aluminum

Carburetor Hold Down

Mahle PowerPak Forged Piston and Ring Kit - 4.040 in Bore - 1.0 x 1.0 x 2.0 mm Ring Groove - Minus 5.00 cc - Small Block Chevy 930200140 112009 Intended for the most demandingEvery 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