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Ships within 48 hours · Estimated delivery Aug 3 - Aug 8
These drives fit under your stock timing cover and come complete with instructions
Speedmaster arm stud kits are made of 4140 Chromoly steel
even in the most extreme applications
capable of withstanding valve spring load up to 600lbs
Chevy SBC 350 Vortec 180cc 64cc Straight Cast Iron Bare Cylinder Head These drives fit under yourAll 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.
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