Don’t want to see parts wasted, it became a challenge...about his background in motorcycles and racing engines, and how...this block was initially rough cut with a saw, and then I processed it into... a cylinder The cover is an RHS 6 bolt LS3 cylinder head with Don Hardy custom CNC ports.
The Stage IV kit includes a new CNC port head with a valve 1 mm larger than before, and a fully machined combustion chamber. ... The Stage IV Kit is also eligible for custom insurance under the terms of the motorcycle factory's 24-month limited vehicle warranty... The components of the kit include: