Piston Rings - Performance Series - 4.045 in Bore - File Fit - 1.0 x 1.0 x 2.0 mm Thick - Standard Tension - Steel - HV385 Thermal - 1-Cylinder - Each

Piston Rings - Classic Race - 3.187 in Bore - File Fit - 1/16 x 5/64 x 5/32 in Thick - Standard Tension - Ductile Iron - Plasma Moly - 4-Cylinder - Kit

Piston Rings - Premium Race Series - 4.030 in Bore - File Fit - 0.043 in x 0.043 in x 3.0 mm Thick - Low Tension - Steel - Plasma Moly - 8-Cylinder - Kit

Upgrade your engine's performance with the KB PERFORMANCE PISTONS Piston Ring Set. Designed for 4.030 bore size, these file-fit rings ensure a perfect seal and optimal compression, boosting power and efficiency. Crafted from durable ductile iron with...

Piston Rings - Premium Race Series - 4.040 in Bore - File Fit - 0.043 in x 0.043 in x 3.0 mm Thick - Low Tension - Steel - Plasma Moly - 8-Cylinder - Kit

Piston Rings - Performance Series - 4.060 in Bore - File Fit - 1.0 x 1.0 x 2.0 mm Thick - Standard Tension - Steel - HV385 Thermal - 8 Cylinder - Kit