Mahle PowerPak Piston and Ring Forged 4.155" Bore 1.5 x 1.5 x 3.0 mm Ring Groove - Plus 4.0 cc BR10005 7mm) Thick (Nominal) with Cross-Drilled

7mm) Thick (Nominal) with Cross-Drilled Composite Nut-Ring Installed

Sturdy furnace brazed all aluminum construction tested to 250 p

ground Current draw 5

Alecular (Racing Line) Narrow

Mahle PowerPak Piston and Ring Forged 4.155" Bore 1.5 x 1.5 x 3.0 mm Ring Groove - Plus 4.0 cc BR10005 7mm) Thick (Nominal) with Cross-DrilledEvery 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