Brian Crower - Single Spring/Titanium Retainer Kit (Mitsubishi 4G63 Eclipse/Evo) 500-to-800hp Spring Rates (Kg): 8 or

Spring Rates (Kg): 8 or (6/7/9/10/11/12/14)

- DSDF Mounting Brackets

Part Number: K641M895

Impreza WRX STi | GC8 VERSION II | 1994-1996 | TC | EJ20G | H4

Part Number: VST80-C1SS3

Brian Crower - Single Spring/Titanium Retainer Kit (Mitsubishi 4G63 Eclipse/Evo) 500-to-800hp Spring Rates (Kg): 8 orSpecifications: Manufacturer: Brian Crower Reference Number: BC0100 This is complete set of Brian Crower SINGLE SPRING TITANIUM RETAINER KIT (Mitsubishi 4G63 Eclipse Evo). Aftermarket cams increase the efficiency of your head by using higher lift and duration. Any time you increase the lift and duration of a cam, you are putting more stress on the valvesprings and retainers. Factory valvesprings were not made to handle the abuse of higher lift and