15-20 Yamaha R1 79mm 13.6:1 CP Piston Kit
Piston Kit Includes:
-4 Pistons
-4 Piston Ring Packs
-4 Wrist Pins
-8 Wrist Pin Circlips
CP Pistons are High Performance Forged Aluminum Pistons. We prefer and recommend CP Pistons in all High Performance Applications.
Pistons have 13.6:1 Compression and are recommended to be ran with Minimum 110+ Octane Race Fuel.