Niagara PowerSports, Inc. - Engine Parts Engine Parts Niagara PowerSports Inc . Wiseco and JE Performance Big Bore Piston Kits are available for many models and are available in different displacements and compression ratios. Most Kits include Pistons, Rings, Circlips, and Overbore Head Gasket. High Performance Valve Spring Kits and Titanium Retainers are a must when building a high performance motorcycle engine whether you're using a racing cam or not.
Features are lightweight, optimum spring rates, and durability.
Stainless Steel Racing Valves are available in Std. These valves are a good addition to a performance cylinder head because of their lightweight, strength, and better flow. Our machine shop can custom machine any angle on the faces. Con Rods - Adj. Cam Sprockets High Perf.