Pro Series GM Gen III/IV LS Flexplate Bolt Kit
Secure your drivetrain with the Top Street Performance Pro Series LS Flexplate Bolt Kit, engineered specifically for GM Gen III and Gen IV LS engines. Whether you're replacing worn hardware, installing a new transmission, or completing an LS swap, this LS flexplate bolt kit provides the strength and reliability needed to securely fasten the flexplate to the crankshaft in demanding street and performance applications.
Secure Flexplate Installation
Designed to provide dependable flexplate retention, these LS flexplate bolts help maintain a secure connection between the crankshaft and flexplate. Ideal for transmission replacement, engine assembly, and torque converter installation projects requiring reliable GM LS flexplate hardware.
High-Strength Performance Construction
Manufactured from heat-treated 35 chromoly steel with a minimum tensile strength of 190,000 PSI, this flexplate bolt kit is built to withstand the demands of high-performance engines and repeated drivetrain service. Rolled threads and a black oxide finish help provide long-term durability and corrosion resistance.
Designed for Gen III & Gen IV LS Engines
Engine-specific design provides compatibility with a wide range of GM LS applications, including LS1, LS2, LS3, LS6, LS7, LQ4, LQ9, LY6, L92, LS9, and compatible LSX engine builds utilizing the factory-style flexplate mounting configuration.
Ideal for LS Swaps & Transmission Service
Perfect for transmission installation, flexplate replacement, engine rebuilds, and LS swap projects where fresh LS flywheel bolts or LS crankshaft flexplate bolts are recommended. An excellent choice for maintaining secure drivetrain connections in street, performance, 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 VEHICLE APPLICATIONS
• Chevrolet Corvette LS-powered models
• Chevrolet Camaro LS-powered models
• Chevrolet Silverado and GMC Sierra LS-based V8 trucks
• Chevrolet Tahoe, Suburban, GMC Yukon, and Escalade LS-based V8 SUVs
• Pontiac GTO, Pontiac G8, and Chevrolet SS LS-powered cars
SPECIFICATIONS
Torque: 3 steps up to 75ft-lbs / step1 25ft-lbs / step 2 50ft-lbs / step 3 75ft-lbs
Color: Black
Fastener Style: Bolt
Grade: Performance
Head Style: 12-point
Material: 35 Chromoly Steel
Quantity: Sold as a kit
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Secure your drivetrain with the Top Street Performance Pro Series LS Flexplate Bolt Kit, engineered specifically for GM Gen III and Gen IV LS engines. Whether you're replacing worn hardware, installing a new transmission, or completing an LS swap, this LS flexplate bolt kit provides the strength and reliability needed to securely fasten the flexplate to the crankshaft in demanding street and performance applications.
Secure Flexplate Installation
Designed to provide dependable flexplate retention, these LS flexplate bolts help maintain a secure connection between the crankshaft and flexplate. Ideal for transmission replacement, engine assembly, and torque converter installation projects requiring reliable GM LS flexplate hardware.
High-Strength Performance Construction
Manufactured from heat-treated 35 chromoly steel with a minimum tensile strength of 190,000 PSI, this flexplate bolt kit is built to withstand the demands of high-performance engines and repeated drivetrain service. Rolled threads and a black oxide finish help provide long-term durability and corrosion resistance.
Designed for Gen III & Gen IV LS Engines
Engine-specific design provides compatibility with a wide range of GM LS applications, including LS1, LS2, LS3, LS6, LS7, LQ4, LQ9, LY6, L92, LS9, and compatible LSX engine builds utilizing the factory-style flexplate mounting configuration.
Ideal for LS Swaps & Transmission Service
Perfect for transmission installation, flexplate replacement, engine rebuilds, and LS swap projects where fresh LS flywheel bolts or LS crankshaft flexplate bolts are recommended. An excellent choice for maintaining secure drivetrain connections in street, performance, 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 VEHICLE APPLICATIONS
• Chevrolet Corvette LS-powered models
• Chevrolet Camaro LS-powered models
• Chevrolet Silverado and GMC Sierra LS-based V8 trucks
• Chevrolet Tahoe, Suburban, GMC Yukon, and Escalade LS-based V8 SUVs
• Pontiac GTO, Pontiac G8, and Chevrolet SS LS-powered cars
SPECIFICATIONS
Torque: 3 steps up to 75ft-lbs / step1 25ft-lbs / step 2 50ft-lbs / step 3 75ft-lbs
Color: Black
Fastener Style: Bolt
Grade: Performance
Head Style: 12-point
Material: 35 Chromoly Steel
Quantity: Sold as a kit
