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XDP Harmonic Balancer Bolt for Chevy/GMC (2001-24) 6.6L Duramax LB1/LLY/LBZ/LMM/LML (Black-Phosphate)

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XD628
XDP Harmonic Balancer Bolt for Chevy/GMC 6.6L Duramax LB1/LLY/LBZ/LMM/LML (Black-Phosphate)

The XDP Harmonic Balancer Bolt XD628 is an excellent way to securely fasten the harmonic balancer on your Duramax. As the crankshaft Flexes the harmonic balancer (also known as a damper) absorbs an incredible amount of energy to smooth out your engine. This bolt will ensure that your balancer is locked into position and features an extra tall 12-point head that accepts a deep socket. This eliminates any worry of stripping the head when torqueing to specification
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Features
•200,000 PSI Rating
•Extra Tall 12-Point Head Reduces Risk of Stripping
•Cold-Forged Custom-4135 Alloy Steel Construction

Note:
XD628 Harmonic Balancer Bolt Torque Spec - 255ft-lbs.

Vehicle Fitment:
2001-24 Chevy/GMC 6.6L Duramax LB1/LLY/LBZ/LMM/LML