GSC 4G63 Beehive Spring Kit High RPM (5041)




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The GSC Power-Division beehive valve spring kit for Evo and DSM includes 16 titanium retainers and 16 beehive valve springs. This kit is capable of 10,500 RPM with as much as 12.1mm lift cams (net valve lift max due to seal to bottom retainer contact).

Vehicle Fitment:
Mitsubishi 4G63
1992-2006 Evolution I-IX
1990-1999 Eclipse GST/GSX
1990-1998 Talon TSi
1990-1994 Laser RS
1991-1992 Galant VR4

IN: 100 lbs @ 1.539" / EX: 107 lbs @ 1.519" install height
IN: 250 lbs @ 1.078" / EX: 256 lbs @ 1.058"
• Up to 12.1mm lift cams

(16) Beehive Valve Springs
(16) Titanium Retainers

More Info:
These are a must have for anyone pushing the limits. If you have had problems with valve float or throwing rocker arms, this is the spring set that will cure your problems for good. GSC beehive springs are made with an ovate wire which utilizes advanced material heat treatment methods for superior load loss capabilities. These springs have the highest level of spring load retention while still maintaining good fatigue throughout the life of the spring. Beehive springs allow for the use of a smaller, lighter retainer allowing for higher RPM and more valve control.

Part Number: GSC5041
Springs: Beehive
Retainers: Titanium
Coil Bind: 1.004"
Install Height: 1.539 / 1.519"
Seat Pressure: 100 / 107 lbs
Open Pressure, 11.70mm Lift: 250lbs @ 1.078"
256lbs @ 1.058"
Maximum Valve Lift: 0.476"
Max RPM: 10,500
Max Boost: 44 psi
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Customer Reviews

Based on 2 reviews
Adrian Casillas (Zapopan, JAL, MX)

GSC Power Division Spring & Retainer Sets - 4G63

Nikos Kambras (Letchworth, ENG, GB)

Superb service...Highly recommended!!!

Cancer and Reproductive Harm