Speed Pro Speed Pro Piston Forged 4.030" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 5.4 cc Helmet Air System Blower Wiring Harness wheel bearings with dual bolt

wheel bearings with dual bolt pattern (5x5" or 5x4

Note: this product is legal only for off-highway use (except in California or states that have adopted California emission standards)

Ball and socket joint design allows for 360 degrees of rotation between gauge and clamp to accommodate a variety of bar orientations and installation points

The splined steel coupling is bored to slip over a 5/8" steering column and needs to be welded on

Speed Pro Speed Pro Piston Forged 4.030" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 5.4 cc Helmet Air System Blower Wiring Harness wheel bearings with dual boltFully 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.