Order 10 for 20% discount. Discount refunded after purchase.

Cylinder head rebuild kit to freshen up your oem cylinder heads from the years they spent cutting grass. After the rebuild they will be ready to haul ass

x4 single springs with steel retainers (7500 rpm max)

x4 sets of locks

x4 valves 33.8mm intake 27.5 exhaust- to be used with stock seats. The intake seat ID can be opened up to allow for a larger intake port id

x4 bronze valve guides