Pro Series GM Gen III/IV LS Bell Housing Bolt Kit

Secure your drivetrain with the Top Street Performance Pro Series LS Bellhousing Bolt Kit, designed specifically for GM Gen III and Gen IV LS engine applications. Whether you're installing a transmission, completing an LS swap, or replacing missing hardware, this LS bellhousing bolt kit provides the strength and reliability needed to create a secure engine-to-transmission connection in street, performance, and racing applications.

Secure Engine-to-Transmission Installation
Designed to fasten the transmission bellhousing to the engine block, these LS bellhousing bolts help maintain proper drivetrain alignment and secure bellhousing retention. Ideal for transmission replacement, clutch service, engine installation, and LS swap projects requiring dependable LS transmission bolts.

High-Strength Performance Construction
Manufactured from heat-treated 35 chromoly steel with a minimum tensile strength of 190,000 PSI, this bellhousing hardware kit is built to withstand the demands of performance street, racing, and custom drivetrain applications. 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 III & Gen IV LS Engines
Engine-specific design provides compatibility with a wide range of LS applications including LS1, LS2, LS3, LS6, LS7, LQ4, LQ9, LY6, L76, L92, and other compatible LS engine combinations. These LS engine-to-transmission bolts are designed for attaching the bellhousing to the engine block using the factory-style LS bellhousing pattern.

Ideal for LS Swaps & Transmission Service
Perfect for transmission installation, clutch replacement, drivetrain service, engine assembly, and LS swap projects where fresh LS transmission bellhousing bolts are recommended. An excellent choice for maintaining a secure engine-to-transmission connection in street, racing, and custom build applications.

COMPATIBLE WITH
CHEVROLET SMALL BLOCK V8 GEN. III/IV (LS BASED)
• 4.8 L / 293 in³ (LR4, LY2, L20)
• 5.3 L / 325 in³ (LM7, L59, LM4, L33, LC9, LH6, LY5, LMG)
• 5.7 L / 346 in³ (LS1, LS6)
• 6.0 L / 364 in³ (LQ4, LQ9, LS2, L76, LY6, L96)
• 6.2 L / 376 in³ (LS3, L92, L99, L9H)
• 7.0 L / 427-428 in³ (LS7, LSX applications)

COMMON USES
• LS Engine Swaps
• Transmission Installation
• Clutch Replacement
• Engine Assembly
• Drivetrain Service
• Street & Racing Applications

SPECIFICATIONS
Torque: 40 ft-lbs
Color: Black
Fastener Style: Bolt
Grade: Performance
Head Style: 12-point
Material: 35 Chromoly Steel
Quantity: Sold as a kit