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Fasteners & Studs

Heavy Duty Fasteners & Studs for the 5.9L Cummins Diesel. Pure Diesel Power offers rod bolts, standard and extra long main studs, headstuds by A1 and ARP along with accessories such as bottoming taps and ARP Ultra Torque Assembly Lube.

Please keep in mind when ordering parts:
All engine blocks 1997.5 & newer have "Encore" blocks. (these have 2 turbo oil return holes on the passenger side of the block)
They have 12mm main studs and must be drilled & tapped to 14mm x 2.00 to allow use of 14mm head studs.
89-97.0 Engine blocks have 14mm main bolts, so no modification is needed to use 14mm main studs.
All Cummins 5.9L engines 89-07 have 12mm head studs from the factory and require drilling & tapping to accept 14mm head studs.

Brand: Pure Diesel Power Part Number: PDPMANSTUDS
Installing a new exhaust manifold, or simply removing a stock or aftermarket manifold to change gaskets? If so, you'll find that it is a real hassle to keep the gaskets in place when using standard bolts. These work on:89-98 12 Valve Cummins engines using an AFTERMARKET exhaust manifold. They WILL ..
$52.99
Brand: Gator Fasteners Part Number: MSK5912
Gator Fasteners Heavy Duty Main Studs are design to hold the bottom end of your 12 Valve 5.9L together whether you're building a tow rig, race truck or just a daily driver. These fasteners have a much higher strength and will not stretch like the factory bolts will. The Gator Fasteners Performa..
$259.99
Brand: Hamilton Cams Part Number: 07-G-12VF20
NOT FOR SALE IN CALIFORNIA!!!Fits: 89-98 Dodge Ram 5.9L Cummins When you start making big power in your 1989-1998 Dodge 5.9L Cummins make sure you upgrade to Hamilton Cams 07-G-12VF20 Fire Ring Head Gasket. Fire ringed heads provide a much stronger seal and eliminate the typical head gasket pro..
$245.00
Brand: Gator Fasteners Part Number: HSK5912
If you are wanting to keep your 5.9L Cummins on the road for the long haul, you need to replace your head bolts with upgraded head studs.*You will need to either have your rocker arm pedestals machined/milled or purchase a set of the Modified Rocker Arm Pedestals.These head studs have a much higher ..
$439.99
Brand: Innovative Machining Solutions Part Number: IMSD80S
5-6 Week Lead Time! Contact to Confirm Lead Time.These Dana 80 spools are turned from 4140 forged steel, splined, heat treated and then finished turned on all locating surfaces.  These spools come with a variety of spline options. Custom spline options can be made upon request. IMS Part N..
$590.00
Brand: Fleece Performance Part Number: FPE-34772
Fleece Performance stainless steel exhaust manifold stud kit for Cummins. Our exhaust manifold studs are produced in the USA from aged 630 stainless steel and feature a 4mm internal hex head for easy installation. Impervious to rust and corrosion, these studs not only look good, but allow for higher..
$229.99
Brand: BD Power Part Number: 1045982
Replace the broken or stretched exhaust manifold bolts on your 1998.5-2018 Dodge 5.9L/6.7L Cummins with the BD-Power 1045982 Exhaust Manifold Bolt & Spacer Hardware Kit. The exhaust spacers are black oxide coated and allow the fasteners to stretch without fracture or permanent yield. This exhaust ma..
$90.95
Brand: Automotive Racing Products Part Number: 247-4202
ARP 12mm Head stud kit for the 1998.5+ Dodge 5.9L & 6.7L Cummins Turbo Diesel ARP cylinder head stud kits are precision centerless-ground and thread-rolled to Mil-S-8879 specs. Their black oxide finish protects them from wear and corrosion, and ARP throws in hardened parallel washers for unifor..
$509.70
Brand: Automotive Racing Products Part Number: 247-4204
New Age 625 12mm Head stud kit for the 98.5-2023 Dodge 5.9L & 6.7L 24 Valve, Common Rail Cummins Turbo Diesel With performance enthusiasts adding increasing amounts of turbo boost to diesel applications, ARP has provided an extra measure of security in the form of extra-strong head studs manufa..
$1,371.08
Brand: Aftermarket Parts Part Number: 12mmx1.75 Bottom Tap
Cummins 12MM Head Stud Bottoming Tap We recommend you bottom-tap your engine block head-stud threads when installing 12mm ARP or A1 head studs to ensure maximum clamping force. Some Cummins blocks are not threaded completely. 12mm x 1.75 Picture for representation purposes only...
$26.46
89+ Dodge 5.9L/6.7L Cummins Rod Bolts ARP Heavy Duty High Perfomance
Backordered
Brand: Automotive Racing Products Part Number: 1054009
Backordered with No ETA   **Updated on 02/15/2024** 89+ Dodge 5.9L & 6.7L Cummins Diesel Heavy Duty Rod Bolts Made By ARP THESE ARE MADE SPECIALLY BY ARP FOR OUR SUPPLIER. ARP DOES NOT SELL THEM DIRECT. L19 Material Black Oxide For B Series Cummins, 1989 & Up Works ..
$184.00
Brand: Automotive Racing Products Part Number: 100-9910
Ultra-Torque Assembly Lube w/Brush Top Container 1/2 PintGets you within 5% of the required pre-load on the first pull and stays consistent with each subsequent cycle-race prep, machining, pre-assembly and final assembly. Premium grade moly base with rust and corrosion inhibitors. Effective lubr..
$23.46
Brand: Automotive Racing Products Part Number: 247-5402
89-97 Dodge 5.9L Cummins 14mm Main Studs STUDS vs. BOLTS ARP recommends the use of main studs over bolts whenever possible for several key reasons. First is the ability to obtain more accurate torque readings because studs don’t “twist” into the block. All clamping forces are on one axis. By t..
$304.27
Brand: Automotive Racing Products Part Number: 247-5401
97.5-2007 Dodge 5.9L Cummins Main StudsNot sure if yours is a 97.5 block? Look on the passenger's side of the engine. If there are 2 turbo drain ports, you have a 97.5. Please call if you have further questions. STUDS vs. BOLTS ARP recommends the use of main studs over bolts whenever possible for..
$269.73
Brand: Cummins Part Number: 14x3927948
For all Encore Blocks 97.5-2002. Encore blocks have 2 oil drains and 12mm main studs from the factory. Also fits all 03-07 5.9L Cummins & 07.5-18 6.7L Cummins engines.  14x Cummins part number: 3927948..
$105.28
Brand: Automotive Racing Products Part Number: 100-9911
Ultra-Torque Assembly Lube w/Brush Top Container 1 Pint CanGets you within 5% of the required pre-load on the first pull and stays consistent with each subsequent cycle-race prep, machining, pre-assembly and final assembly. Premium grade moly base with rust and corrosion inhibitors. Effective lu..
$35.27
Brand: Interstate-McBee Part Number: 12x M-3900919
Set of twelve McBee rod bolts. For 1989 to 2002 Cummins 5.9L Diesels. McBee part number: M-3900919..
$80.64
Brand: Cummins Part Number: 12x 3900919
Set of twelve factory OEM Cummins rod bolts. For 1989 to 2002 Cummins 5.9L Diesels. Cummins part number: 3900919..
$156.96
Brand: Automotive Racing Products Part Number: 247-5403
Dodge Cummins 5.9/6.7L diesel w/girdle (2004 & later) Main Stud Kit Key features of main studs: Ability to obtain more accurate torque readings. Studs don't "twist" into the block. Clamping forces are on one axis. Less force exerted on the block threads, which contributes to improved block..
$281.09
98.5-18 5.9L/6.7L Cummins HMR HD 12MM Cylinder Head Stud Kit
Backordered
Brand: Haisley Machine Part Number: HMR 1054008HD
 Backordered with No ETA  **Updated on 03/06/2024**   HD H11/L19 12mm Head stud kit for the 1998.5-2018 Dodge 5.9L & 6.7L 24 Valve Cummins Turbo Diesel These studs are made from L19, a H11 Equivalent and have a gold color, 260 KSI Min. Recommended for applications exc..
$802.15
Brand: Haisley Machine Part Number: 2x4007XHD-DOWEL
Cylinder Head Alignment Dowel Pin (2 included)Use with 14MM Head Stud Kits..
$41.71
Brand: Automotive Racing Products Part Number: 100-9909
Ultra-Torque Assembly Lube1.69oz tube. Gets you within 5% of the required pre-load on the first pull and stays consistent with each subsequent cycle-race prep, machining, pre-assembly and final assembly. Premium grade moly base with rust and corrosion inhibitors. Effective lubrication range -30° to..
$7.35
Brand: Cummins Part Number: 12x4891179
Cummins part number: 4891179 Set of 12. ..
$138.08
Brand: Haisley Machine Part Number: XL14MMStuds
Limited Availability!These extra heavy duty XL 14mm XHD studs are made from H-11 and have a glass bead finish, 220 ksi min. Formerly Made By A1 TechnologiesKIT INCLUDES: 14 Extra Long STUDS, WASHERS & 12PT NUTSThesE STUDS ARE DESIGNED TO BE USED WITH THE CUSTOM MODIFIED GIRDLE WE SELL. IMPORTA..
$509.84
Brand: Aftermarket Parts Part Number: 14mmx2.00 Bottom Tap
Cummins 14MM Head & Main Stud Bottoming Tap 14mm x 2.00 Picture for representation purposes only...
$30.29
Brand: Cummins Part Number: 14x3904217
FOR ALL NON-ENCORE BLOCKS OR ENCORE BLOCKS THAT HAVE BEEN DRILLED AND TAPPED FOR 14MM. 14x Cummins part number: 3904217..
$1,430.61
98.5+ Dodge 24 Valve Cummins HMR 14MM Cylinder Head Stud Kit
Backordered
Brand: Haisley Machine Part Number: HMR 1054008XHD
Backordered with No ETA   **Updated on 03/06/2024**   These extra heavy duty 14mm XHD studs are made from L19 and have a glass bead finish, 220 ksi min. Studs hold 80PSI+ Boost STUD SETS INCLUDE: * 26 STUDS, NUTS & WASHERS * ARP MOLY LUBE * INSTRUCTIONS XHD head..
$803.42
94-98 Dodge 5.9L 12V Cummins HMR 14MM Cylinder Head Stud Kit
Backordered
Brand: Haisley Machine Part Number: HMR 1054007XHD
Backordered with No ETA   **Updated on 03/06/2024** These extra heavy duty 14mm XHD studs are made from H-11 and have a glass bead finish, 220 ksi min. Recommended for all high performance engine applications.  We also recommend these if the engine is out of the truck for futur..
$803.42
Brand: Cummins Part Number: 4891179
Cummins part number: 4891179 Sold as one rod bolt..
$14.38
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