IRP FA20 Forged Piston Set 10.5CR T3 A 4mm reduction in shift

A 4mm reduction in shift throw in each direction has been achieved while retaining the quality and fitment of the original shifter

STI's duracon shift knob has had its shape finely tuned to provide an exquisite feel and allow for effortless shift motion from any position or angle

The RCM Group N baffled oil pan starts its life as a factory oil pan

It also contains some components with the intention of allowing for "tuning" of the differential operation for various motorsport conditions

Saenz S-Series rods are their entry level 4340 chromoly steel rod and utilize ARP2000 fasteners

IRP FA20 Forged Piston Set 10.5CR T3 A 4mm reduction in shiftDESIGN INNOVATION AND ADVANCED TECHNOLOGY RalliSpec has adopted IRP across our engine product line owing to their advanced design features and unmatched quality control protocols. Every piston starts with the latest material technology from the highest quality sources. IRP forgings are 100% machined meaning all surfaces are machined using the latest generation 5 axis CNC equipment in a temperature controlled environment ensuring precise dimensional