Description
Complete Stock Dual Port Cylinder Head, 85.5mm Bore assembled with 35.5 x 32mm OEM OSVAT Stock Valves, Stock Valve Springs, Steel Retainers, Hardened Keepers, Rocker, Exhaust and Intake Studs. Complete with a 3-Angle Performance Valve Job. SCORE APPROVED
14 mm 1/2” Spark Plug Holes
- Chamber Volume: 51cc
- Intake Port Volume: 53cc
- Exhaust Port Volume: 56.5cc





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