Stop oil leaks at the top of your engine with this premium Payen rocker cover gasket. Manufactured to original specifications, it is the professional’s choice for a reliable, long-lasting seal on Small Chassis Triumph and MG Midget 1500 engines.

Product Specs

• Part Numbers: JM261 / AJM414
• Brand: Genuine Payen
• Material: High-grade cork/composite for superior compression
• Compatibility:
  • Triumph Herald & Spitfire: 948cc, 1147cc, 1296cc, and 1500cc
  • MG Midget: 1500cc (Triumph-engine models)

Why Choose This Gasket?

• OEM Quality: Payen is the industry leader for classic engine sealing, offering far better durability than budget alternatives.
• Oil Resistant: Specifically formulated to resist hardening, shrinking, and weeping over time.
• Perfect Fit: Precision-cut to ensure all bolt holes and edges align perfectly with the cylinder head.
• Rebuild Essential: Provides the necessary thickness to seal even slightly distorted or older rocker covers.

Installation Tip: For a professional, leak-free finish, ensure both the cylinder head and rocker cover surfaces are clean and free of old gasket material before fitting.

[Genuine Payen rocker cover gasket for Triumph Herald Spitfire and MG Midget 1500]

[JM261]

[AJM414]

[Triumph Herald Spitfire 948 1147 1296 1500]

[MG Midget 1500]