ATI Crankshaft Harmonic Balancer Pinning Kit - LS1, LS6 & LS2 Engines
Part Number: ATI918993
Quantity in stock: 10
Estimated shipping date: Today
Free Shipping: W/$250.00+ Order
Shipping Weight: 1.00 pounds
On LS1, LS6 & LS2 engines the crankshaft and factory harmonic balancer does not use a keyway to positively locate and lock the balancer. In high horsepower applications the pulley can spin on the crankshaft sometimes so severely that the crankshaft and balancer can be damaged. The ATI crankshaft pin drill fixture kit is designed to pin the crankshaft for high-rpm, supercharged, turbocharged, or other high-horsepower engines. They include a billet aluminum black-anodized drill fixture, a hardened 11/64 in. drill bit, an alignment tool, and pins for the crankshaft.
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