Pro Series Chevy Big Block 4-Bolt Main Bolt Kit

TSP's fasteners are composed of 35 chromoly steel for a minimum tensile strength of 190,000 PSI. Threads are rolled after heat treatment and then tested for tensile and yield strength. All hardware is then given a black oxide finish and oil coating to protect from rust and corrosion.

Compatible with:
CHEVROLET BIG BLOCK V8 GEN. II (MARK IV)
• 6.5 L / 396 in3
• 6.6 L / 402 in3
• 7.4 L / 454 in3

Specifications:
Torque: 4 steps, to 120 ft-lbs
Color: Black
Fastener Style: Bolt
Grade: Performance
Head Style: Hex
Material: 35 Chromoly Steel
Quantity: Sold as a kit