Speed Pro Speed Pro Piston Forged 4.040" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 2.7 cc 33010P crew ear protectors

crew ear protectors

From those earliest days in the mid-1960s right through today

and durability without breaking the bank

Competition Ready

2-1/2" x 2-1/2" mounting plate and removable red or silver key

Speed Pro Speed Pro Piston Forged 4.040" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 2.7 cc 33010P crew ear protectorsFully updated skirt profiles Exclusive DUROSHIELD skirt coating. DUROSHIELD provides scuff resistance, reduced bore clearances and enhanced ring sealing. SPEED PRO POWERFORGED pistons are built to stringent specifications with a precision CNC machined dome and skirts and microfinished ring grooves. The manufacturing process ensures that piston weights within a boxed set will not vary more than 4 grams and that skirt sizes are matched to within 0.