You don't want to end up with over heating problems down the road. Niche 1315 includes a brand new 102mm Cylinder, NGK spark plug, 10:1 piston kit and high performance gasket set for an easy installation. Best of all, our kits are ready to install right out of the box.
Complete 686cc Big Bore Cylinder Kit. Cylinder Bore and Stroke 102.00mm x 84.00mm. Cylinder Displacement 686cc / Piston Compression 10.0:1.
Cylinder Bore Size 102mm Big Bore. Includes High-Compression Hardened Aluminum Piston Kit, Gasket Kit and More; Cylinder Material: Aluminum; Cylinder Sleeve Coating: None. Cylinder Piston Piston Rings Wristpin Circlips (2) Head Gasket Base Gasket O-Ring Cylinder Studs (4) Cylinder Stud Washers (4) Spark Plug.