Brian Crower - Single Spring/Titanium Retainer Kit (Mitsubishi 4G63 Eclipse/Evo) 500-to-800hp G4GF (Beta 1) | 2000cc

G4GF (Beta 1) | 2000cc | DOHC | 16v | NA | I4

All HH type Radiator are 48mm Thick

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

2 Demio | DE5FS | 2007-2018 | NA | ZY-VE | I4

Fairlady Z | GCZ32 Zenki | 1989-1993 | TT | VG30DETT | V6

Brian Crower - Single Spring/Titanium Retainer Kit (Mitsubishi 4G63 Eclipse/Evo) 500-to-800hp G4GF (Beta 1) | 2000ccSpecifications: 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