Related Photo Galleries
This is the business end of the heart-shaped, fast-burn combustion chamber. Note the spark plug hole is canted toward the exhaust valve, as it's the hottest area of the chamber, providing a quicker and more complete burn. You can also see the bowl work on the intake side. The 30-45-60-degree multi-angle valve job was performed at KRE with a new, state-of-the-art Rottler SG-8 seat and guide machine.