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 Vacuum advance and boost retard

Vacuum advance and boost retard is selectable through a MAP sensor

0L gas engine

Torque link uses energy absorbing polyurethane bushings to absorb engine torque and increase traction to rear tires

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

Product Description: Helmet Chin Cover Seal

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 Vacuum advance and boost retardChrysler 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