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leading to valve seat damage and early valve grind
The internal components are made from EN36 material as used in racing
carbon-to-coil rotor conductor
Those crankshaft are x-rayed and ultrasonically tested
The runner length and the tapered cross-section were designed to perform well for a wide range of engine configurations
Chevy SBC 350 Vortec 180cc 64cc Straight Cast Iron Bare Cylinder Head leading to valve seat damageAll Speedmaster 23deg. Small Block Chevy heads are available with Straight or Angled sparkplugs. Standard valve sizes are 2. 020 in. Intake, and 1. 600 in. Exhaust, both +. 100 in. length. While the 2. 02" valves are standard issue, all of our 23deg. aluminum heads can accept a 2. 050 in. intake valve with minimal additional work.
