Description
Part Number: AF37-2010
Aeroflow Big Block Chevy 396-454 8740 Chromoly Cylinder Head Stud Kit
High-tensile cylinder head stud fasteners engineered to deliver superior clamping force and reliable head gasket sealing for Big Block Chevy V8 engines with factory alloy heads.
Key Features & Performance Benefits
- ☑ Manufactured from aircraft-quality 8740 high-tensile chromoly steel rated up to 190,000 PSI.
- ☑ Cold-forged construction ensures superior molecular integrity and consistent thread engagement.
- ☑ Includes precision 12-point nuts and hardened parallel washers for even load distribution.
- ☑ Delivers accurate torque loading to prevent head gasket failure under high cylinder pressures, boost, or nitrous.
- ☑ Engineered specifically for Big Block Chevy 396-454 V8 engines equipped with factory alloy cylinder heads.
Technical Specifications
| Brand | Aeroflow Performance |
|---|---|
| Manufacturer Part Number | AF37-2010 |
| Engine Fitment | Big Block Chevrolet V8 (396, 402, 427, 454 cu. in.) |
| Cylinder Head Compatibility | Factory / OEM Alloy Cylinder Heads (Mark IV / Bowtie BBC) |
| Material | 8740 Aircraft Quality Chromoly Steel |
| Tensile Strength Rating | 190,000 PSI |
| Engine Block Threads | 7/16″-14 UNC |
| Nut Threads & Style | 7/16″-20 UNF (12-Point Nuts) |
| Recommended Torque | 75 ft-lbs / 101 Nm |
What’s Included in the Box
- 8 x Extra Long Cylinder Head Studs
- 12 x Long Cylinder Head Studs
- 4 x Mid-Length Cylinder Head Studs
- 8 x Short Cylinder Head Studs
- 32 x High-Strength 12-Point Nuts (7/16″-20)
- 32 x Hardened Precision Flat Washers
Aeroflow Performance products are manufactured to stringent competition specifications, offering race-proven strength and reliability for street and track builds. As a dedicated UK performance parts supplier, JP Racing carries local stock to ensure fast dispatch across the UK alongside unmatched technical service.







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