Twisted Choppers Copper Exhaust Port Gaskets For 1966-1984 Harley-Davidson Shovelhead Big Twin

Twisted Choppers Copper Exhaust Port Gaskets For 1966-1984 Harley-Davidson Shovelhead Big Twin

Keep your Shovelhead running strong and leak-free with exhaust port gaskets engineered to handle the heat and pressure of classic Big Twin performance. A tight seal at the exhaust port means better power delivery, cleaner idle, and none of the annoying ticking that comes from blown gaskets — just the deep rumble your Shovelhead was built to deliver.

Key Features

• Copper ring construction delivers superior heat resistance and long-term sealing
• Universal flange compatibility works on both single-bolt and 3-bolt exhaust head flanges
• Fits factory Harley Shovelhead engines and aftermarket Shovelhead-style replicas
• Sold as a pair for complete front and rear cylinder replacement
• Direct drop-in fit requires no modification to heads or exhaust system

Technical Specifications

• Gasket Style: Copper ring
• Flange Compatibility: Single-bolt and 3-bolt exhaust head flanges
• Engine Platform: Harley-Davidson Shovelhead Big Twin
• Engine Compatibility: Factory Harley and aftermarket Shovelhead replicas
• Sold As: Pair (2 gaskets)
• Cross-Reference: Replaces Harley-Davidson OEM 65834-68

Fitment Notes

• Compatible with all factory Shovelhead-powered FL and FX Big Twin models
• Also fits aftermarket Shovelhead-style replica engines using standard head flange configurations
• Verify your existing flange configuration (single-bolt or 3-bolt) before installation
• Review the Fitment tab for complete year and model breakdown