For Nissan 240SX S13 SR20 SR20DET Steel Cylinder Head RAS Rocker Arm Stopper - Silvia S14 S15 180SX Kouki Zenki

• 100% Brand New Items, Never Used Or Installed
• It Keeps The Valves From Flying Off In High RPM.
• Forged Steel Rocket Arm Stoppers Will Not Chip Nor Rust Under Extensive Use and Abuse.
• The Rocker Arm Stopper Holds The Lash Adjuster Side Of The Rocker Arm With Fixed Clearance, And Protects The Engine From Rocker Arms Coming Off.

NOTES:

• No Installation Guides Are Included, We Highly Recommend To Seek Professional Installation

FITMENT:

• 1989-1994 Nissan 240SX S13 - (Direct Fit on S13 Models with SR20/SR20DET Engines Only)

**Can Also Be Used On All S14/S15 SR20DET Models But Needs Trimming and Cutting Out Some Materials Underneath The Valve Cover Near The Oil Cap Area That Hits The Rocker Arm Stoppers**