🔩 Big Block Chevy 396–454 Cylinder Head Stud Kit – Chromoly Steel, 12-Point Nut & Washer Set
🧰 Product Overview
This Cylinder Head Stud Kit is designed for high-performance Big Block Chevy engines ranging from 396 to 454 cubic inches. Manufactured from premium chromoly steel and finished in black oxide, these studs are engineered to handle high cylinder pressures and boost levels – making them ideal for street, strip, or marine use.
✅ Key Features
🧱 Material: High-strength chromoly steel
🛡️ Finish: Black oxide coating for superior corrosion resistance
💪 Tensile Strength: Rated at 180,000 PSI
🧵 Rolled Threads After Heat Treatment – for maximum durability and thread integrity
🧩 Complete Set: Includes 32 washers and 32 12-point hex nuts for even torque distribution
🚗 Performance Benefit: Helps prevent head gasket failures and overheating in high-performance applications
✅ OEM-Level Manufacturing: Meets or exceeds strict factory requirements
📐 Kit Contents
8× Extended Studs
12× Long Studs
4× Medium Studs
8× Short Studs
32× Hardened Parallel Washers
32× 12-Point Hex Nuts
Exactly as shown in listing images.
🚗 Vehicle Fitment
Fits the following Big Block Chevy (BBC) V8 Mark IV, Gen V, and Gen VI engines:
1966–1970 Chevrolet 396 (6.5L)
1970–1972 Chevrolet 402 (6.6L)
1966–1969 Chevrolet 427 (7.0L)
1970–1990 Chevrolet 454 (7.4L) Mark IV
1991–1995 Chevrolet 454 (7.4L) Gen V
1996–2000 Chevrolet 454 (7.4L) Gen VI
🔧 Installation Notes
100% brand new – never installed
No installation instructions included
Professional installation recommended – precision torqueing is required for optimal performance
📞 Have Questions?
Contact us with your engine specs and build goals — we’ll help you confirm the right fitment and answer any technical concerns.
