Pro Series Chevy Big Block Bowtie / Dart / Merlin / Pro Top / World Products Cylinder Head 12-point Bolt Kit
Pro Series Chevy Big Block Bowtie / Dart / Merlin / Pro Top / World Products Cylinder Head 12-point Bolt Kit
SKU: SKU: 722-82095
In stock


Product Details
Features
- Fits Chevy Big Block engines.
- Composed of 35 chromoly steel for maximum tensile strength
- Black oxide finish and oil coating for rust and corrosion protection
Description
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.
Specs
Grade Type | Performance |
Material | 2024 Aluminum |
Maximum RPM | 7,000 |
Mounting Type | Stud |
Open Pressure Rating | 500 lbs. |
Quantity | 16 |
Rocker Arm Body Style | Standard |
Rocker Arm Finish | Black |
Rocker Arm Material | 2024 Aluminum |
Rocker Arm Nut Type | Polylock |
Rocker Arm Ratio | 1.7 |
Rocker Arm Type | Full Roller |
Self Aligning | No |
Shims Included | No |
Stud Thread Diameter | 7/16 in. |
Tip Style | Needle Bearing |
Fitment
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
NOTES
• Fits engines with Bowtie, Dart, Merlin, Pro Top, or World Products cylinder heads
Emissions Notice
This product does not affect vehicle emissions and is not subject to emissions compliance regulations.

Pro Series Chevy Big Block Bowtie / Dart / Merlin / Pro Top / World Products Cylinder Head 12-point 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
NOTES
• Fits engines with Bowtie, Dart, Merlin, Pro Top, or World Products cylinder heads
Grade Type | Performance |
Material | 2024 Aluminum |
Maximum RPM | 7,000 |
Mounting Type | Stud |
Open Pressure Rating | 500 lbs. |
Quantity | 16 |
Rocker Arm Body Style | Standard |
Rocker Arm Finish | Black |
Rocker Arm Material | 2024 Aluminum |
Rocker Arm Nut Type | Polylock |
Rocker Arm Ratio | 1.7 |
Rocker Arm Type | Full Roller |
Self Aligning | No |
Shims Included | No |
Stud Thread Diameter | 7/16 in. |
Tip Style | Needle Bearing |