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 1.375 intake 1.22 exhaust

x4 bronze valve guides

These valves are longer than stock. This makes it possible to run our vanguard springs which allows for more lift. This also means you need our rocker arm spacer , billet valve covers and longer pushrods