Pro Series Chevy Small Block Cylinder Head 12-Point Bolt Kit

• Fits Gen I Small Block Chevy Engines: Designed for Chevrolet Small Block V8 cylinder head applications.

• 190,000 PSI Tensile Strength: Heat-treated 35 chromoly steel construction.

• 12-Point Head Design: Provides accurate torque readings and improved serviceability.

• Supports Reliable Head Gasket Sealing: Helps maintain consistent cylinder head clamping force.

Upgrade your Small Block Chevy engine build with the Top Street Performance Pro Series Small Block Chevy Cylinder Head 12-Point Bolt Kit. Designed for Chevrolet Gen I Small Block V8 applications, this SBC head bolt kit provides the clamping force and durability needed to help maintain reliable head gasket sealing in street, performance, marine, and racing engines. Whether you're rebuilding a 305, 327, 350, or 400 Small Block Chevy, these Small Block Chevy head bolts deliver dependable cylinder head retention under demanding operating conditions.

Reliable Cylinder Head Clamping Force
Designed to securely fasten cylinder heads to the engine block, these SBC cylinder head bolts help maintain consistent cylinder head clamping force and dependable head gasket retention. Ideal for engine rebuilds, cylinder head replacement, and performance engine assembly projects.

High-Strength Performance Construction
Manufactured from heat-treated 35 chromoly steel with a minimum tensile strength of 190,000 PSI, these Chevy small block head bolts are built to withstand demanding engine conditions. Threads are rolled after heat treatment and protected with a black oxide finish and oil coating for enhanced durability and corrosion resistance.

Designed for Gen I Small Block Chevy Applications
Engine-specific design provides compatibility with a wide range of Chevrolet Small Block V8 engines. These Small Block Chevy head bolts are ideal for stock replacement, engine rebuilds, cylinder head upgrades, marine applications, and performance engine builds requiring dependable cylinder head hardware.

Ideal for Rebuilds & Performance Builds
Perfect for cylinder head installation, head gasket replacement, engine assembly, and performance engine projects where fresh SBC cylinder head hardware is recommended. An excellent choice for maintaining proper head gasket sealing and long-term reliability in street, marine, and racing applications.

What does this head bolt kit fit?
This kit is designed for compatible Chevrolet Gen I Small Block V8 cylinder head applications, including many 305, 327, 350, and 400 engine combinations.

Why replace cylinder head bolts during a rebuild?
Replacing cylinder head hardware helps ensure proper clamping force, reliable head gasket sealing, and long-term durability during engine assembly or cylinder head service.

What is the benefit of a 12-point head design?
The 12-point head design provides improved socket engagement and helps achieve accurate torque readings during installation.

Are these suitable for performance applications?
Yes. The bolts are manufactured from heat-treated 35 chromoly steel with a minimum tensile strength of 190,000 PSI for demanding street, marine, and racing use.

What material are the bolts made from?
The kit is manufactured from 35 chromoly steel and features rolled threads, a black oxide finish, and a corrosion-resistant oil coating.

Can these be used with aftermarket cylinder heads?
Yes, provided the cylinder heads utilize compatible Small Block Chevy fastener requirements. Always verify application-specific compatibility before installation.

Do head bolts affect head gasket sealing?
Properly installed cylinder head bolts help maintain consistent clamping force between the cylinder head and engine block, supporting reliable head gasket sealing.

Can these be used during a complete engine rebuild?
Yes. This SBC head bolt kit is ideal for engine rebuilds, cylinder head service, head gasket replacement, and performance engine assembly projects.