Kelford Valve Springs and Locators for 4G63 DSM/Evo (KVS63-BK) *Discontinued* Smidgens The Big SF Intake increases

The Big SF Intake increases the inner diameter of the intake tubing

• Flows over 20% more than stock

while remaining fully compatible with the OEM dampers

Extreme-pressure protection provides much better film-strength

Kelford Valve Springs and Locators for 4G63 DSM/Evo (KVS63-BK) *Discontinued* Smidgens The Big SF Intake increasesDISCONTINUED: Kelford has discontinued this part as of 1 6 2026 and superseded it to the KVS63 BTK found HERE. Kelford racing high performance PACALOY beehive springs and locators. Fits all 4G63 Evo, DSM and GVR4 models. Suits high RPM, high boost competition engines. Install at 90lb. Maximum valve lift is 13. 50mm. Vehicle Fitment: Mitsubishi 4G63 Turbo 1992 2006 Evolution I IX 1990 1999 Eclipse GST GSX 1990 1998 Talon TSi 1990 1994 Laser RS 1991