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Your cart is empty.Mr. Gasket Small Block Chevy Harmonic Balancer Bolt Kits feature a high hex head that prevents socket slippage when adjusting valves or rotating the engine to degree in a cam. Designed specifically for small-block Chevys and heat-treated to Grade 8 specs, these bolt sets come with extra-thick parallel-ground washers that deliver a smoother, more accurate, more uniform torque. They're ideal for high-performance, drag race, and circle-track applications and come complete with split lock washers to prevent any loosening caused by vibration.
Anthony S
Reviewed in the United States on May 6, 2022
Bolt seems of decent quality, but on a 1990 5.7 Chevy engine it's too short. I can only drive it in about 1/4" before it's tight on the balancer. Once I put the crank pulley on, it's going to be even worse. I'm afraid I'm going to strip threads out. Can't use it.
Dustin Bridges
Reviewed in the United States on April 12, 2021
Broke off in crank a year after installing.
Conrad
Reviewed in the United States on December 4, 2018
it does what it's supposed to do
Giest
Reviewed in the United States on November 20, 2018
It is working so far. I was a little concerned when I ordered it, as the washer in the picture appears to be a stamped washer. But the one I received was a proper machined washer.
Customer
Reviewed in the United States on August 24, 2017
Works as it should! Good!
Joseph E. Dufresne
Reviewed in the United States on June 16, 2017
Worked as intended, tightened up my harmonic balancer.
bullshoals23T
Reviewed in the United States on June 24, 2016
will hold the balancer just fine.
F. Yancey
Reviewed in the United States on February 23, 2015
Needed a new harmonic damper bolt on my 1968 327 build. This worked perfectly !
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