COMP Cams Rocker Arms Gm LS3 1.8 Bolt D 1678-8 P2R Power Rev Racing OBDII pass-through provides AFR readings

OBDII pass-through provides AFR readings through the factory ECU CAN-bus - Ideal for users with piggyback programmers or open source tuning software

Trumpets made of high quality ABS plastic with chrome finish

needs good intake

longer lifespan in high-heat climates

Hard packed or rocky surfaces won't grip the textured surface as effectively

COMP Cams Rocker Arms Gm LS3 1.8 Bolt D 1678-8 P2R Power Rev Racing OBDII pass-through provides AFR readingsCOMP Cams Rocker Arms 1678 8 Rocker Arms, GM LS3 1. 8 Bolt Down COMP Cams Ultra Pro Magnum Roller Rocker Arms, 1. 8 Ratio, Pedestal Mount, LS3, Set of 8 COMP Cams Rocker Arms Gm LS3 1. 8 Bolt D