Denstoj Rocker Retainers are a MUST-HAVE upgrade for Mitsubishi 4G63 engines, especially when pushing higher RPM. Engineered from heat-treated high-carbon steel, these clips increase valvetrain stability, preventing costly engine rebuilds from potential catastrophic failures.

Key Benefits:

• OEM Drop-in Fitment: Quick and easy installation, no modifications required.
• Prevent Costly Engine Damage: Protect your build by eliminating rocker arm displacement during unpredicted valve events (misfire, over-rev, limit, etc).
• Peace of Mind: Reliable performance both on the street and track, even at extreme RPM.

WHAT'S INCLUDED

16x Denstoj 4G63 Rocker Retainers
(Heat treated high carbon steel)

EHICLE FITMENT

MAKE: Mitsubishi
MODEL: Lancer Evolution 4,5,6,7,8 and 9
ENGINE: 4G63
LASH ADJUSTERS: OEM & GSC Zero-Tick
SOLID LIFTERS: Tomei

IMPORTANT NOTES

Cast Rocker Arms on the Evo 1-3 4G63 can be upgraded to Pressed Metal Rocker Arms to use this Rocker Retainer.

The pressed metal rocker arm details are:
Mitsubishi OEM Rocker Arm for 1G/2G DSM & Evo 4-9 4G63 Part Number: #MD375091

These clips will also fit any of the Mitsubishi engines below if they are upgraded from the cast rocker arms to the pressed metal rocker arms (#MD375091):

Mitsubishi 1990-1999 6-Bolt & 7-Bolt 4G63 Engines
Mitsubishi 3000GT & Dodge Stealth VR4 6G72 
Mitsubishi 6G74 DOHC model Engine

If purchasing for the 6G72/4, please email us before hand so we can create a custom order for you with an additional 8 clips.

Please note. Install at your own risk. Clips must be installed correctly.

FITTING INSTRUCTIONS