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Stage 8 Locking Fasteners

Stage 8 8931 Locking Header Bolts 3/8-16 in - 1.000 Long - 12 Point - Set of 12

Part # SGE8931 Be the first to write a review

Compatible with Small Block Chevy® and 90 Degree V6. This product is not created or sold by Chevy®.

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Stage 8 8931 Locking Header Bolts 3/8-16 in - 1.000 Long - 12 Point - Set of 12

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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.
,br>Header bolt kits are application specific. These have a 12 point head with 3/16 recessed Allen. All Stage 8 Locking Header Bolt Kits are sold with all of the necessary hardware for your application.

Features:

  • Stage 8 Locking Header Bolts are 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 4130 alloy steel bolt, a locking retainer and a spring clip. These have a 12 point head with a 3/16 recessed Allen head.
  • Fail-safe when used and installed properly.
  • Removable and reusable and can be visually inspected; if the locking retainer and clip are present.
  • Application specific with all necessary hardware for your application
Brand Stage 8 Locking Fasteners
Emission Code5
Fastener StyleBolt
Head Style12-point
Product TypeHeader Bolts
QuantitySold as a Set of 12
Thread Size3/8-16 in
Underhead Length (in.)1.000
UPC765709893109
Manufacturer Part Number8931
Part NumberSGE8931
5

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.
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