Description
or PM Tuning
Flange: Urethane
Heavy Duty front spring for 60s - 70s 10" bikes: Sprint
but we recommend inspecting your bell for blueing or heat damage before installation
this 8-pole assembly provides a factory-perfect fit and finish
Naraku GY6 58.5mm Big Bore Kit - Forged Piston vsepa or PM TuningNaraku 58. 5mm Forged Piston Big Bore Kit for 150cc and 125cc GY6 4 stroke engines and engine based vehicles. Easy to install! Just bolt on with no crankcase modifications needed. Bore: 58. 5mm Outer Sleeve Diameter: 60. 3mm Displacement Increase to 155cc Overall Height (cylinder): 91. 5mm Stud Spacing: 76. 5mm GY6 QMI QMJ 152 157, Various unlisted makes models This product is not intended for use on public roads or land.