Description
Part Number: AF37-2025
Aeroflow GM LS Head Stud Kit (Even Size Studs)
Engineered from aircraft-quality 8740 chromoly steel for high-horsepower GM LS engine builds requiring equal length main head studs.
Key Features
- ☑ Cold-forged from 8740 high tensile strength chromoly steel rated up to 190,000 PSI
- ☑ Designed specifically for 2004 and newer GM LS V8 engines using equal-length main studs
- ☑ Delivers precise clamping force and superior gasket sealing under boost or nitrous
- ☑ Complete engine set featuring 12-point nuts, hardened washers, and upper support studs
Technical Specifications
| Brand | AeroFlow Performance |
|---|---|
| MPN | AF37-2025 |
| Engine Compatibility | GM LS Series V8 (2004 and Onwards, Equal Length Stud Design) |
| Material | 8740 Chromoly Steel (190,000 PSI Tensile Strength) |
| Block Thread Spec | M11 x 2.00mm |
| Nut End Thread Spec | M11 x 1.25mm |
| Main Stud Length | 133mm Overall Length, 50mm Shank Length |
| Support Stud Length | 63.75mm Overall Length, 9mm Shank Length |
| Nut Style | 20 x 12-Point Nuts (M11 x 1.25mm, 18mm OD, 11.60mm Height) |
| Washer Dimensions | 20 x Hardened Washers (20mm OD, 11.10mm ID, 3mm Thickness) |
What’s Included in the Box
- 20 x Aeroflow Equal Length Main Head Studs (133mm)
- 20 x 12-Point M11 Nuts
- 20 x Hardened Flat Washers
- 10 x Upper Support Studs (63.75mm)
Aeroflow Performance products are manufactured to strict technical tolerances to withstand extreme motorsport conditions. As a leading UK performance stockist, JP Racing ensures full technical support and prompt UK shipping on all genuine Aeroflow engine hardware.







Reviews
There are no reviews yet.