STM-Spec Manley Custom 11.5:1 Pistons for 4G63 Evo 4-9 HKS Evo X 925 Battery Kit

Evo X 925 Battery Kit

• Fully adjustable pressure settings

12-1 Tooth Crank Trigger Sensor Kit

The Cometic MLS Multi Layer Steel head gasket is comprised of three or more stainless steel layers for increased strength

STM-Spec Manley Custom 11.5:1 Pistons for 4G63 Evo 4-9 HKS Evo X 925 Battery KitThe STM Spec Manley Evo IV IX Custom 11. 5: 1 Pistons for 2. 0L 4G63 are now available! These are the same gas ported pistons we have been testing in our STM Race Engines and easily trapping 165+ MPH in the 1 4! The STM Spec Pistons are only available in 85. 5mm bore and come with coated skirts, rings and wrist pins. If you have questions about your build, feel free to give us a call and we will get you on the right path to your goals. STM Spec