Speed Pro Speed Pro Piston Forged 4.030" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 6.1 cc 20601L Radio Boxes

Radio Boxes

218 wall thickness

SUPER VICTOR S/B CHRYSLER (3500-8000 RPM) Designed for small-block Chrysler engines with conventional rectangular port heads like Edelbrock Performer RPM cylinder heads or Victor heads

Drag Racing Trap Door Baffle System

Steel Ball

Speed Pro Speed Pro Piston Forged 4.030" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 6.1 cc 20601L Radio BoxesFully 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.