Athena 4-Stroke Top End Gasket Kit - P400210600520

Ensure peak engine performance and reliability for your Honda XL 500 S or XR 500 R (1979-1983) with this premium Athena Top-End Gasket Kit. Specifically engineered for 4-stroke engines, this comprehensive kit provides everything needed for a crucial top-end refresh, making it ideal for competitive riders and enthusiasts alike.

Description

Designed for the demanding needs of pro, semi-pro, and amateur riders, this Athena Top-End Gasket Kit is essential for engine freshens prior to a race or during midseason maintenance. It's perfectly compatible with your Honda XL 500 S and XR 500 R models from 1979 to 1983, ensuring a precise fit and optimal sealing. The kit's core strength lies in its top-of-the-line Multi-Layer Steel (MLSS) head gasket, renowned for its superior sealing capabilities and durability under high-stress conditions. To further enhance engine tuning, this kit includes two or more premium quality base gaskets of varying thicknesses. This crucial feature allows riders to fine-tune their engine's compression ratios, providing the flexibility to choose between standard gas with stock compression or optimize for race gas with a higher compression. This motorcycle top-end rebuild kit is a vital component for maintaining the power and efficiency of your 4-stroke engine, offering both performance advantages and peace of mind.

Features & Highlights

• Race-Ready Design: Specifically engineered to meet the rigorous demands of pro, semi-pro, and amateur riders who regularly refresh their engines, ensuring optimal performance for every ride or race.
• Optimized Engine Compression: Includes a top-of-the-line MLSS (Multi-Layer Steel) head gasket and multiple premium quality base gaskets of different thicknesses, allowing precise adjustment of engine compression ratios.
• Fuel Versatility: Provides the flexibility to choose between using standard pump gas with stock compression or transitioning to race gas with a higher compression ratio for maximum power output.
• Superior Sealing Technology: The advanced MLSS head gasket offers exceptional sealing properties, crucial for maintaining cylinder pressure and preventing leaks in high-performance 4-stroke engines.
• Precision Fitment: Tailored specifically for Honda XL 500 S and XR 500 R motorcycles manufactured between 1979 and 1983, guaranteeing a perfect fit and reliable operation.

Technical Specifications

• Brand: Athena
• MPN/SKU: 400210600520
• Product Name: Gasket Kit
• Type: Top End
• Units: Kit
• Material: Rubber
• Engine Type: 4-Stroke
• Vehicle Fitment: Honda XL 500 S, XR 500 R (1979-1983)
• EAN: 8050444897744

Important to Know

• Kit does NOT include valve stem seals.
• Kit does NOT include rubber parts (other than specified gaskets).
• Kit does NOT include shims.
• Kit does NOT include other fiber gaskets not explicitly listed.