Speed Pro Speed Pro Piston Forged 4.040" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 5.4 cc 30010BL Voltage output is adjustable up

Voltage output is adjustable up to 22 volts at 15 psi of boost

Whether Building Your First Hotrod

Use #1481 or #1843 throttle/transmission lever kit

All day comfort

DEI's Black Seaming Tape is ideal for using with our Black Floor & Tunnel for edge and seam sealing

Speed Pro Speed Pro Piston Forged 4.040" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 5.4 cc 30010BL Voltage output is adjustable upFully 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.