Secure Assembly with Main Stud & Bolt Kits
Experience exceptional Main Stud & Bolt Kits engineered to secure your engine’s components with unmatched precision. At HD Werks, our JDM collection delivers innovative design and robust engineering for aftermarket upgrades. Each kit is crafted to ensure optimal clamping force and reliability, echoing Japanese craftsmanship and racing durability. Discover reliable designs and quality parts that safeguard your engine’s integrity. Our range offers both original and custom options tailored to your application. Enjoy performance, JDM, accessories, custom, genuine security with our premium Main Stud & Bolt Kits collection.
Skip to product grid
-
Vendor:ARPARP 03 Ford Duratec 2.3L Main Stud Kit
Regular price $134.99Regular priceSale price $134.99 -
Sold out
Vendor:ARPARP Ford Pinto 2300cc Inline 4 Main Stud Kit
Regular price $137.99Regular priceSale price $137.99 -
Sold out
Vendor:ARPARP Ford Pinto 2000cc Inline 4 Main Stud Kit
Regular price $134.99Regular price$135.00-$0.01 Sale price $134.99 -
Sold out
-
-
Sold out
Vendor:ARPARP Ford 6.4L Diesel Crank Flange Adapter Bolt Kit - 8740 Chrome Moly Black Oxide
Regular price $73.99Regular priceSale price $73.99 -
Sold out
Vendor:ARPARP Jeep 4.0L Inline 6 Cyl Main Stud Kit
Regular price $106.99Regular priceSale price $106.99 -
Sold out
Vendor:ARPARP Jeep 4.0L Inline 6 Main Bolt Kit
Regular price $61.99Regular priceSale price $61.99 -
Sold out
Vendor:ARPARP BB Chrysler/WP Hemi/Wedge Iron & Alum Block Main Stud Kit
Regular price $136.99Regular priceSale price $136.99 -
Sold out
Vendor:ARPARP Mopar 426 Hemi 4-Bolt Main Stud Kit
Regular price $143.99Regular priceSale price $143.99 -
Sold out
Vendor:ARPARP Chrysler 354 Hemi Main Stud Kit
Regular price $84.99Regular priceSale price $84.99 -
Sold out
Vendor:ARPARP Mopar 426 Hemi Bolt Main Bolt Kit
Regular price $92.99Regular priceSale price $92.99 -
Sold out
Vendor:ARPARP Chrysler Cast Iron SL6 Main Stud Kit
Regular price $65.99Regular priceSale price $65.99 -
Sold out
Vendor:ARPARP Chrysler 2.2L 4cyl M11 Main Stud Kit
Regular price $84.99Regular priceSale price $84.99 -
Sold out
-
Sold out
Vendor:ARPARP Mopar V8 (Exc 426 Hemi) Main Stud Kit
Regular price $90.99Regular priceSale price $90.99 -
Sold out
Vendor:ARPARP Mopar 273-440 Wedge V8 12pt Head 2 Bolt Main Stud Kit
Regular price $57.99Regular priceSale price $57.99 -
Sold out
Vendor:ARPARP Chrysler 273-440 Wedge 12pt Main Bolt Kit
Regular price $61.99Regular priceSale price $61.99 -
Sold out
Vendor:ARPARP Chevrolet Big Block 8.1L Vortec w/ Windage Main Stud Kit
Regular price $330.99Regular priceSale price $330.99 -
Sold out
Vendor:ARPARP BB Chevrolet WP Merlin Main Stud Kit
Regular price $194.99Regular priceSale price $194.99 -
Sold out
Vendor:ARPARP BB Chevy Mark V 4-Bolt Main Stud Kit
Regular price $183.99Regular priceSale price $183.99 -
Sold out
Vendor:ARPARP BB Chevy 4-Bolt Main Stud Kit
Regular price $180.99Regular priceSale price $180.99 -
Sold out
-
Sold out
-
Sold out
Vendor:ARPARP BB Chevy WP Merlin II and III Iron Block Main Bolt Kit
Regular price $77.99Regular priceSale price $77.99 -
Sold out
-
Sold out
Vendor:ARPARP BB Chevy 396/454 2 Bolt Main Bolt Kit
Regular price $49.99Regular priceSale price $49.99 -
Sold out
Vendor:ARPARP Small Block Chevy Dart LS Next Main Stud Kit
Regular price $168.99Regular priceSale price $168.99 -
Sold out
Vendor:ARPARP SB Chevy LS/WP Warhawk LS Alum Block Main Stud Kit
Regular price $346.99Regular priceSale price $346.99 -
Sold out
Vendor:ARPARP SB Chevy Dart SHP Main Stud Kit
Regular price $117.99Regular priceSale price $117.99 -
Sold out
Vendor:ARPARP SB Chevy WP Motown Iron Block Main Stud Kit
Regular price $114.99Regular priceSale price $114.99 -
Sold out
-
Sold out
Vendor:ARPARP 92-97 SB Chevrolet LT-1 w/ Factory Windage Tray 2-Bolt Main Stud Kit
Regular price $85.99Regular priceSale price $85.99 -
Sold out
-
Sold out
Vendor:ARPARP Chevrolet Small Block 2-bolt Main Stud Kit
Regular price $70.99Regular priceSale price $70.99