Description
Part Number: AF37-2215
Aeroflow SBF Windsor 289-302 2-Bolt Main Stud Kit
Engineered to secure main caps under high-performance street and competition conditions, the Aeroflow AF37-2215 main stud kit delivers superior bottom-end rigidity for Small Block Ford Windsor 289 and 302 engines.
Key Features
- ☑ Cold-forged from aircraft-quality 8740 chromoly steel for maximum integrity
- ☑ Rated to 190,000 PSI tensile strength to eliminate main cap walking and fretting
- ☑ Precision 7/16″ threads specifically engineered for 2-bolt SBF Windsor blocks
- ☑ Complete with 12-point nuts and hardened parallel washers for accurate torque load
- ☑ Significantly improves clamp force and torque consistency compared to OEM bolts
Technical Specifications
| Brand | Aeroflow Performance |
|---|---|
| Part Number | AF37-2215 |
| Engine Fitment | Small Block Ford Windsor V8 (289 & 302) |
| Cap Type | 2-Bolt Main Caps |
| Thread Size | 7/16″ (7/16″-14 Block / 7/16″-20 Nut) |
| Material | 8740 High Tensile Chromoly Steel |
| Tensile Strength | 190,000 PSI |
| Nut Style | 12-Point Nuts |
What’s Included in the Box
- • 10 x Aeroflow 8740 Chromoly Main Studs (101.5mm OAL, 49.6mm Shank)
- • 10 x High-Strength 12-Point 7/16″-20 Thread Nuts
- • 10 x Precision Hardened Parallel Flat Washers
As an authorized UK supplier of Aeroflow Performance products, JP Racing provides genuine, motorsport-verified components backed by fast UK delivery and expert technical support for your engine build.
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