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Product Details
Black Oxide Wedge-Locking Exhaust Header Bolts by ProForm®. Wedge-Locking Technology. Each PROFORM® Grade 8 Header Bolt is permanently assembled with a pair of special washers. When the bolt is torqued to 28+ ft-lbs, the washers' super-hardened external teeth bite into and grip the bottom of the bolt head and the top surface of the header. After being self-locked in this manner, any bolt-loosening rotation is blocked by a wedge-locking action created by the washers' interfacing, matching cams. It's an uphill climb: vibration that might ordinarily loosen the bolt actually increases the wedge-locking tension, securing the bolt even more. Because this simple wedge-locking method uses tension instead of friction, contact with oil actually facilitates the wedge effect. When changing headers, PROFORM Header Bolts can be untightened with a normal wrench, lubricated and reused. 3/8-16 Thread X 3/4" Long. If you're looking for a top-quality upgrade which will enhance the performance of your vehicle and won't cost you an arm and a leg, rely on this high-grade product from PROFORM. It's designed to deliver maximum performance, value, and reliability at one stroke.
Specifications
| Finish: Black Oxide |
| Thread Size 1: 16 Thread x 0.75" |
| Quantity: 16 Pieces in Kit |
Features
- Designed to upgrade your ride's performance
- Produced by highly specialized machines to last
- Innovative design for a perfect fit and easy installation
- Durable construction to ensure maximum reliability
- Individually tested at the factory
- Backed by a limited warranty
PROFORM holds the patent rights to dozens of parts and product designs, and this high-performance product is not an exception. It is designed to deliver optimal efficiency and durability for many years ahead, ensuring effective functioning in the most extreme driving conditions. The manufacturer's goal is to provide the performance enthusiast with innovation, quality and affordability in all its products - giving the customer maximum value. PROFORM is so confident in its products that they are backed by a solid warranty.
With more than 30 years of experience under the belt, Proform® is one of the greatest manufacturers of direct OEM replacement and performance automotive parts. Based in Warren, Michigan, Proform carries a full line of innovative and top-quality carburetors, alternators, starters, push rods, etc. The company offers a great number of GM officially licensed parts bearing the name of Chevrolet and Bow Tie, and some other divisional trademarks. Proform provides Mustang, Ford Racing, and Cobra engine dress-up parts.
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