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 YA0821 1310 to 1330 Series

1310 to 1330 Series

18 Acceleration Programs:

Rekudo shocks and sway bars will plant your hot rod through the turns and maintain a comfortable ride on the street

and Allison C-3 and C-4

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 YA0821 1310 to 1330 SeriesEvery 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