Pro Series Chevy Small Block 12 Rollover/18 Degree Brodix Cylinder Head 12-Point Bolt Kit

Secure your race engine build with the Top Street Performance Pro Series Small Block Chevy 12 Degree Rollover & 18 Degree Brodix Cylinder Head 12-Point Bolt Kit. Designed specifically for Small Block Chevy engines utilizing 12 degree rollover cylinder heads and 18 degree Brodix cylinder heads, this Brodix head bolt kit provides the clamping force and durability needed to help maintain reliable head gasket sealing in high-performance and racing applications. Whether you're assembling a drag racing engine, circle track engine, or naturally aspirated competition build, these 18 degree Brodix head bolts deliver dependable cylinder head retention under demanding conditions.

Designed for 12 Degree Rollover & 18 Degree Brodix Cylinder Heads
Engineered specifically for 12 degree rollover head bolt kit applications and 18 degree Brodix head bolt installations, these Brodix cylinder head bolts provide proper fastener engagement and dependable cylinder head retention. Ideal for Small Block Chevy race engines utilizing specialized cylinder head configurations that require application-specific hardware.

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

Supports Reliable Head Gasket Sealing
Designed to provide consistent cylinder head clamping force, this racing head bolt kit helps maintain dependable head gasket retention and cylinder pressure control in high-compression, naturally aspirated, and competition engine applications. Proper cylinder head retention is critical for maximizing reliability in demanding racing environments.

Ideal for Racing & Performance Builds
Perfect for engine assembly, cylinder head installation, head gasket replacement, and competition engine builds where application-specific cylinder head hardware is required. An excellent choice for Small Block Chevy race engines, 18 degree Brodix cylinder head applications, and 12 degree rollover head bolt kit applications requiring premium racing hardware.

COMPATIBLE WITH
CHEVROLET SMALL BLOCK V8 GEN. I PERFORMANCE HEAD APPLICATIONS
• 4.3L / 262 in³
• 4.3L / 265 in³
• 4.4L / 267 in³
• 4.6L / 283 in³
• 4.9L / 302 in³
• 5.0L / 305 in³
• 5.0L / 307 in³
• 5.4L / 327 in³
• 5.7L / 350 in³
• 6.6L / 400 in³

COMPATIBLE CYLINDER HEADS
• Brodix 12° Rollover Heads
• Brodix 18° Heads

COMMON VEHICLE APPLICATIONS
Chevrolet Camaro (1967–1995 SBC equipped)
Chevrolet Chevelle (1964–1977 SBC)
Chevrolet Nova (1962–1979 SBC)
Chevrolet C10 / C/K Trucks (1960–1995 SBC)
Chevrolet Impala / Caprice (SBC equipped)

NOTES
• Designed specifically for 12° Rollover and 18° Brodix cylinder head applications.
• Not compatible with standard factory Small Block Chevy cylinder heads.
• Verify cylinder head manufacturer, washer requirements, and thread engagement before installation.
• Intended for specialized racing and performance cylinder head applications.

SPECIFICATIONS
Torque: 3 steps to 75ft-lbs / step 1 25ft-lbs / step 2 50ft-lbs / step 3 75ft-lbs
Grade Type: Performance
Material: Stainless Steel
Maximum RPM: 7,000
Mounting Type: Shaft
Open Pressure Rating: 500 lbs.
Quantity: 16
Rocker Arm Body Style: Standard
Rocker Arm Finish: Natural
Rocker Arm Material: Stainless Steel
Rocker Arm Ratio: 1.7
Rocker Arm Type: Full Roller
Self Aligning: No
Shims Included: No
Tip Style: Needle Bearing
Trunnion Style: Needle Bearing