10 Best Main Bolts Studs In The Us - Black Friday 2024
Best Choice1
Xotic PerformanceMain Stud Replacement Kit for 6.4L Ford Powerstroke 2008-2010 - Xotic Performance™ MP875
Main highlights- ULTRA STRENGTH material properties allow for far greater tensile strength compared to 8740 chromoly steel head studs. Rated at 220,000 psi tensile strength, these main studs far exceed clamping forces provided by standard head bolts.
- MAIN STUDS - These are main studs, not head studs. Main and head studs serve different purposes—selecting the right one is crucial. For head studs, search more in our catalog.
- KIT INCLUDES - 20x Main Stud, 20x Nuts, 1x Allen Wrench, 1x Fastener Assembly Lubricant, and 1x Socket.
- IMPROVED CAP ALIGNMENT - Main studs are required for maximum loading & reduced wear and tear on the block threads. They assist with main cap alignment, and there is less of a change of main cap walking because the studs remain stationary during cap clamping. These main studs far exceed clamping forces provided by standard head bolts.
- EASY INSTALLATION - Broached stud ends install & make cylinder head removal easier. Installation manual is included with drawn diagrams to ease the installation process. Head studs are designed to retain cylinder seal even with today's extreme high pressure turbo systems. These studs far exceed clamping forces provided by standard Chevy head bolts.
- DIRECT FIT REPLACEMENT - Fits 6.4L Ford Powerstroke 2008-2010 engines. Please see vehicle compatibilities tab above to ensure accurate fitment.
9.8Exceptional
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Value for Money2
ARPARP 2345608 Stud Kit
Main highlights- SB Chevy LS1 Cast iron Main Stud Kit
- Part number: 2345608
- Package Weight: 4.15 pounds
- Fit type: Vehicle Specific
9.7Exceptional
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3
Xotic PerformanceChevy Gen III/LS Series Small Block Main Stud Kit - Xotic Performance™ MS334
Main highlights- ULTRA STRENGTH material properties allow for far greater tensile strength compared to 8740 chromoly steel head studs. Rated at 220,000 psi tensile strength, these main studs far exceed clamping forces provided by standard head bolts.
- KIT INCLUDES - 20x Main Studs, 10x M8 Side Bolts, 30x Nuts, 2x Sockets, 1x Allen wrench, and 1x Fastener Assembly Lubricant included. Black oxide finish protects from wear and tear. Hardened parallel washers allow for uniform load distribution and accurate torque readings.
- IMPROVED CAP ALIGNMENT - Main studs are required for maximum loading & reduced wear and tear on the block threads. They assist with main cap alignment, and there is less of a change of main cap walking because the studs remain stationary during cap clamping. These main studs far exceed clamping forces provided by standard head bolts.
- EASY INSTALLATION - Broached stud ends install & make cylinder head removal easier. Installation manual is included with drawn diagrams to ease the installation process. Head studs are designed to retain cylinder seal even with today's extreme high pressure turbo systems. These studs far exceed clamping forces provided by standard Chevy head bolts.
- DIRECT FIT REPLACEMENT - Current Chevrolet Gen III/LS 4.8L 5.3L 5.7L 6.0L 6.2L; LS1 LS2 LS3 LS4 LS6 LQ4 LQ9 LY6 L92 L99 engines. Please see vehicle compatibilities tab above to ensure accurate fitment.
9.4Excellent
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4
ARPARP 2345501 Main Cap Stud Kit
Main highlights- Rolled J-form threads are 1000% stronger than other threads
- Rated at 200,000 PSI, which is considerably stronger than Grade 8 hardware
- Manufactured from 8740 chrome moly steel
- Main studs are recommended over main bolts for a number of reasons, including more accurate torque readings and easier engine assembly
- Main studs are designed to meet the exacting standards and demands of professional engine builders
9.3Excellent
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5
Michigan MotorsportsLS Main Bolt and Stud Kit fits 1997-2013 LS1 4.8L 5.3L 5.7L 6.0L 6.2L LS2 LS3 LQ4 LM7 LC9 LR4 L96 L76
Main highlights- Quality stock replacement Main Cap Fasteners for LS Engines
- Includes: 10x Main Cap Bolt 10x Main Cap Stud 10x Side Cap Bolt
- Fits: LS1 LS2 LS3 LS6 L99 LSA L92 L9H L94 LS2 L76 L77 LY6 L96 LFA LZ1 LY5 LMG LMF LH6 LC9 LY2 L20 L33 LQ4 LQ9 LR4 LM7 L59 LS4 LH8 LH9
- Fits 1997-2013 LS-Based V8 Engines 4.8L 5.3L 5.7L 6.0L 6.2L
9.0Excellent
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6
ARPARP 135-5402 2-Bolt Main Stud Kit
Main highlights- Rolled J-form threads are 1000% stronger than other threads
- Rated at 200,000 PSI, which is considerably stronger than Grade 8 hardware
- Manufactured from 8740 chrome moly steel
- Main studs are recommended over main bolts for a number of reasons, including more accurate torque readings and easier engine assembly
- Main studs are designed to meet the exacting standards and demands of professional engine builders
8.8Very Good
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7
SpeedmasterSpeedmaster PCE287.1024 Main Stud Kit
Main highlights- Includes 12-Point Nuts, Washers Speedmaster engine studs are premium-grade, race-quality studs that are created from aircraft quality 8740 high tensile strength chromoly steel, withstanding up to 190,000 PSI .They are ground and thread-rolled after heat treatment to ensure the exacting tolerances that Speedmaster requires for all of their fasteners. This ensures strength and consistent torque readings. All kits come complete with 4130 heat-treated, parallel-ground washers and high-strength...
- GM LS, LS1, LS2, LS6, LS7, LSX, GEN...
- 4-Bolt...
- 190,000...
8.7Very Good
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8
ARPARP 1345601 4-Bolt Main Stud
Main highlights- Part number: 1345601
- Package Dimensions: 5.588 H x 10.668 L x 22.098 W (centimeters)
- Main Stud/Bolt Kit
- Made in USA
8.6Very Good
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9
ARP11% OffARP 1565401 2-Bolt Main Stud Kit
Main highlights- Part number: 1565401
- Package Weight: 1.95 pounds
- Ford Modular 4.6L 2V 2-Bolt Main Stud Kit
- Fit type: Vehicle Specific
8.3Good
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10
ARPARP 1355601 4-Bolt Main Stud Kit
Main highlights- Rolled J-form threads are 1000% stronger than other threads
- Rated at 200,000 PSI, which is considerably stronger than Grade 8 hardware
- Manufactured from 8740 chrome moly steel
- Main studs are recommended over main bolts for a number of reasons, including more accurate torque readings and easier engine assembly
- Main studs are designed to meet the exacting standards and demands of professional engine builders
8.1Good
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