Stage 8's Grade 8 locking header fasteners use a patented system that consists of a grooved hex-head bolt or nut, a retainer, and a snap clip. The retainer fits over the bolt head and locks the bolt against the header tube, and the snap clip holds the retainer in place. Once Stage 8 header fasteners are tightened down, they won't back out, eliminating leakage and blown header gaskets from loose bolts.
Fits the following Motors: 03-up 5.7L Hemi, 06-10 6.1L Hemi, 11-up 6.4L Hemi, 15-up 6.2L Hemi, 99-07 4.7L V8, 99-07 3.7L V6
Stage 8 Locking Header Bolts easy to use and they are real assurance against horsepower loss or gasket failure created by loose nuts or bolts.
The unique patented and trademarked functional design is just three pieces: a bolt (4130 Alloy Steel), a locking retainer and a spring clip. The header bolt kits are application specific as either hex head with a 3/16 recessed allen head or 12 point, USA or metric. All Stage 8 Locking Header Bolt Kits are sold with all of the necessary hardware for your application.
Fastener Style: Bolt
Thread Size: 8mm x 1.25
Head Style: Double hex head
Underhead Length (mm): 25.00mm
Fastener Material: Steel
Fastener Finish: Nickel plated
Quantity: Sold as a set of 17.
** These bolts are intended for aftermarket HEADER FLANGES and NOT the factory exhaust manifolds. **
Dropships direct from manufacturer.
This product was added to our catalog on Sunday 08 March, 2020.
