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660" Valve Lift - Solid roller lifter cam for 6
The Dual Port's intelligent modular design also allows you to simply unscrew the vent-to-atmosphere trumpet
Kelford Cams recommend KVS40-K valve spring kit
The tooth edges have been bevelled to increase belt life and then hard anodised to ensure strength and longevity
4G63 DOHC Extreme Force Beehive Springs | KVS63-EXTREME hyper-gate 660" Valve Lift - SolidUltimate Valve Spring and Retainer Kit for Drag Racing 4G63 engine Designed for 1650+HP applications 11,000+RPM Not for the faint hearted, ready to break records. Key features: 142lb on the Seat, 292lb open Pac Racing High Frequency Beehive Huge 14mm to coil bind 4340 Black Nitrided Retainer for extra durability 4140 CNC machined seat Intake installs at 39. 5mm 132 lbs. seated, 278lbs at 12mm lift. Exhaust installs at 38. 5mm 142 lbs. seated, 292 lbs.
US$ 58.95
US$ 175.95
US$ 349.50