Speed Pro Forged Piston Set - 4.350" Bore - 1/16 x 1/16 x 3/16" Ring Grooves - Plus 12.1 cc - Coated Skirt - Mopar RB-Series (Set of 8) 410-01 with heli-arc welded tanks and

with heli-arc welded tanks and connections

Vacuum advance and boost retard is selectable through a MAP sensor

Includes roller bearing as well as a 6-degree advance/retard

threaded insert throttle body mounts and mounting hardware

0L gas engine

Speed Pro Forged Piston Set - 4.350" Bore - 1/16 x 1/16 x 3/16" Ring Grooves - Plus 12.1 cc - Coated Skirt - Mopar RB-Series (Set of 8) 410-01 with heli-arc welded tanks andChrysler 440 Engine, 4. 320 bore Fully 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