Overview

Summit Racing™ Extreme Duty Head Bolt Kits

Summit Racing™ Extreme Duty cylinder head bolt kits are engineered to withstand the stress and abuses that high-horsepower engines endure. These fastener kits come with all necessary bolts, washers, lubricant, and instructions to ensure maximum performance and reliability. Order the kit recommended for your vehicle year/make and engine application.

Extreme Duty fasteners feature:

* 190,000 psi tensile strength minimum
* High-strength chromoly steel utilized for all products
* Precision manufacturing processes ensure consistent product performance
* All bolts are twice straightened to guarantee straightness
* Threads are rolled after heat treatment for high strength
* Tensile and yield strength tested after thread rolling
* Uniformly applied black oxide surface finish
* Available in 6- or 12-Point Designs
* Anti-rust oil coating to protect fasteners from corrosion

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