Speed Pro Speed Pro Piston Forged 4.080" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 7.5 cc V202201 The wider gap also helps

The wider gap also helps spark plugs stay cleaner longer which means fewer plug changes at the track

4 suits will satisfy even the most discerning youth racer in your family

5-1/2 in Wide Pedal

Floating Tether - the floating tether allows a full range of motion of the head to the left and right while also adding some side stability

and a bullet shaped radius to help eliminate cross threading

Speed Pro Speed Pro Piston Forged 4.080" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 7.5 cc V202201 The wider gap also helpsFully 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.