800cc XScream Engine Short Block
Product Description:
- 81.5mm pistons is 793cc (800cc amateur competition legal, 4 over bores remaining - 82mm, 83mm, 85mm, 85.5mm )
- Modified Yamaha 62T cases - Includes XScream epoxy and finger port work, reinforcing front seal area with epoxy, installing a second pulse line fitting, CNC work to match the top case to larger transfer ports on our billet power valve cylinder and boring the cases to accept the +8mm stroker crank.
- 76mm Billet Stroker Crankshaft (+8mm)
- X Scream Custom billet 7 port power valve cylinder
- XScream Billet Head & Domes
- Wiseco Pistons
- Requires Boyesen RAD Valve intake or Riva reed spacer
- Also available as top end kit
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