Speed Pro Speed Pro Piston Forged 4.060" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 6.1 cc R09J0032XL Timing Cover Mount

Timing Cover Mount

And for more stability

2003-2005 Ford E-150

Twin Stick

Rally Lowback Series 1050

Speed Pro Speed Pro Piston Forged 4.060" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 6.1 cc R09J0032XL Timing Cover MountFully 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.