Cometic C9672 HD Base Gasket Bore Fiber - 1340 3-13/16 020 2-Pack

The Cometic C9672 base gasket set is designed specifically for Harley-Davidson 1340cc Evolution engines with a 3-13/16" cylinder bore. This 2-pack includes premium fiber gaskets with a .020" (0.020 inch) thickness, providing precise compression control and reliable sealing between the cylinder and crankcase.

Key Features:

• Heavy-duty fiber construction for excellent conformability and sealing
• Precision-cut to 3-13/16" bore diameter for proper cylinder fitment
• .020" thickness allows for compression ratio and deck height adjustment
• Includes 2 gaskets per package for complete twin-cylinder coverage
• Engineered to withstand extreme heat and pressure cycles
• Direct replacement for stock base gaskets on 1340cc Evolution motors

Cometic gaskets are manufactured to OEM specifications and beyond, using high-quality materials that ensure long-lasting performance. Base gasket thickness is critical for achieving proper compression ratios and piston-to-head clearance during engine builds and rebuilds.