The Story
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
GM LS SERIES V8 ENGINES - 1997–2003 STYLE
• 4.8L / 293 in³ (LR4)
• 5.3L / 325 in³ (LM7, L59)
• 5.7L / 346 in³ (LS1, LS6)
• 6.0L / 364 in³ (LQ4, LQ9)
COMMON VEHICLE APPLICATIONS
Chevrolet Corvette / Camaro / Pontiac Firebird (1997–2003 LS equipped)
GM Silverado / Sierra / Tahoe / Yukon (LS-based applications)
Pontiac GTO early LS swap applications
Popular Gen III LS swap builds
NOTES
Designed for 1997–2003 LS cylinder head fastener applications.
Verify correct head bolt/stud style for your block, cylinder head casting, and model year.
Not compatible with 2004–2020 LS applications unless specifically confirmed.
Not compatible with Gen V LT direct-injection engines, Gen I SBC, or Big Block Chevy engines.
Specifications:
| Torque | 75 ft-lbs big, 25 ft-lbs small |
| Color | Black |
| Fastener Style | Stud |
| Grade | Performance |
| Head Style | 12-point |
| Material | 35 Chromoly Steel |
| Quantity | Sold as a kit |
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
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.
COMPATIBLE WITH
GM LS SERIES V8 ENGINES - 1997–2003 STYLE
• 4.8L / 293 in³ (LR4)
• 5.3L / 325 in³ (LM7, L59)
• 5.7L / 346 in³ (LS1, LS6)
• 6.0L / 364 in³ (LQ4, LQ9)
COMMON VEHICLE APPLICATIONS
Chevrolet Corvette / Camaro / Pontiac Firebird (1997–2003 LS equipped)
GM Silverado / Sierra / Tahoe / Yukon (LS-based applications)
Pontiac GTO early LS swap applications
Popular Gen III LS swap builds
NOTES
Designed for 1997–2003 LS cylinder head fastener applications.
Verify correct head bolt/stud style for your block, cylinder head casting, and model year.
Not compatible with 2004–2020 LS applications unless specifically confirmed.
Not compatible with Gen V LT direct-injection engines, Gen I SBC, or Big Block Chevy engines.
Specifications:
| Torque | 75 ft-lbs big, 25 ft-lbs small |
| Color | Black |
| Fastener Style | Stud |
| Grade | Performance |
| Head Style | 12-point |
| Material | 35 Chromoly Steel |
| Quantity | Sold as a kit |
