Pro Series Chevy Big Block 2-Bolt Main Stud Kit
Strengthen the foundation of your engine with the Top Street Performance Pro Series Chevy Big Block 2-Bolt Main Stud Kit. Designed for Chevrolet Big Block Mark IV engines equipped with 2-bolt main caps, this BBC main stud kit provides the strength and clamping force needed to help maintain secure main bearing cap retention in street, performance, marine, and racing applications. Whether you're rebuilding a 396, 402, or 454 Big Block Chevy, these Big Block Chevy main studs deliver dependable bottom-end fastening performance.
Improved Main Bearing Cap Retention
Designed to replace factory main bolts, these BBC main studs provide consistent clamping force and secure main cap retention. Stud-style fasteners help improve fastener engagement and are commonly used in performance engine builds, rotating assembly upgrades, and demanding street or racing applications.
High-Strength Performance Construction
Manufactured from heat-treated 35 chromoly steel with a minimum tensile strength of 190,000 PSI, this Big Block Chevy main stud kit is built to withstand demanding engine conditions. Threads are rolled after heat treatment and protected with a black oxide finish and oil coating for enhanced durability and corrosion resistance.
Designed for 2-Bolt Main Big Block Chevy Engines
Engine-specific design provides compatibility with Chevrolet Big Block Mark IV engines utilizing factory-style 2-bolt main cap configurations. These BBC main cap studs are ideal for stock replacement, engine rebuilds, marine applications, and performance engine builds.
Ideal for Rebuilds & Performance Builds
Perfect for engine assembly, rotating assembly service, bottom-end rebuilds, stroker builds, and performance engine projects where upgraded Big Block Chevy bottom-end hardware is recommended. An excellent choice for maintaining secure main cap retention in demanding performance environments.
COMPATIBLE WITH
CHEVROLET BIG BLOCK V8 GEN. II (MARK IV)
• 6.5 L / 396 in³
• 6.6 L / 402 in³
• 7.0 L / 427 in³
• 7.4 L / 454 in³
COMMON VEHICLE APPLICATIONS
• Chevrolet big block V8 street and performance engines
• Chevelle, Camaro, Corvette, and C/K truck big block Chevy builds
• Hot rod and muscle car big block Chevy engine installations
SPECIFICATIONS
Torque: 4 steps up to 100ft-lbs / step1 25ft-lbs / step 2 50ft-lbs / step 3 75ft-lbs / step 4 100ft-lbs
Color: Black
Fastener Style: Stud
Grade: Performance
Head Style: Hex
Material: 35 Chromoly Steel
Quantity: Sold as a kit
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Strengthen the foundation of your engine with the Top Street Performance Pro Series Chevy Big Block 2-Bolt Main Stud Kit. Designed for Chevrolet Big Block Mark IV engines equipped with 2-bolt main caps, this BBC main stud kit provides the strength and clamping force needed to help maintain secure main bearing cap retention in street, performance, marine, and racing applications. Whether you're rebuilding a 396, 402, or 454 Big Block Chevy, these Big Block Chevy main studs deliver dependable bottom-end fastening performance.
Improved Main Bearing Cap Retention
Designed to replace factory main bolts, these BBC main studs provide consistent clamping force and secure main cap retention. Stud-style fasteners help improve fastener engagement and are commonly used in performance engine builds, rotating assembly upgrades, and demanding street or racing applications.
High-Strength Performance Construction
Manufactured from heat-treated 35 chromoly steel with a minimum tensile strength of 190,000 PSI, this Big Block Chevy main stud kit is built to withstand demanding engine conditions. Threads are rolled after heat treatment and protected with a black oxide finish and oil coating for enhanced durability and corrosion resistance.
Designed for 2-Bolt Main Big Block Chevy Engines
Engine-specific design provides compatibility with Chevrolet Big Block Mark IV engines utilizing factory-style 2-bolt main cap configurations. These BBC main cap studs are ideal for stock replacement, engine rebuilds, marine applications, and performance engine builds.
Ideal for Rebuilds & Performance Builds
Perfect for engine assembly, rotating assembly service, bottom-end rebuilds, stroker builds, and performance engine projects where upgraded Big Block Chevy bottom-end hardware is recommended. An excellent choice for maintaining secure main cap retention in demanding performance environments.
COMPATIBLE WITH
CHEVROLET BIG BLOCK V8 GEN. II (MARK IV)
• 6.5 L / 396 in³
• 6.6 L / 402 in³
• 7.0 L / 427 in³
• 7.4 L / 454 in³
COMMON VEHICLE APPLICATIONS
• Chevrolet big block V8 street and performance engines
• Chevelle, Camaro, Corvette, and C/K truck big block Chevy builds
• Hot rod and muscle car big block Chevy engine installations
SPECIFICATIONS
Torque: 4 steps up to 100ft-lbs / step1 25ft-lbs / step 2 50ft-lbs / step 3 75ft-lbs / step 4 100ft-lbs
Color: Black
Fastener Style: Stud
Grade: Performance
Head Style: Hex
Material: 35 Chromoly Steel
Quantity: Sold as a kit
