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) 919199 The Pumper system and helmet

The Pumper system and helmet are not included

s new Direct Head Mount Kit was designed to simplify Tandem Pump mounting for crate motor applications requiring "front engine installation

Allows 315mm Wide Tires

050" long Hi-Tech 3/8" diameter pushrods handle the requirements of today's all-out race engines

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) 919199 The Pumper system and helmetChrysler 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