STUDS / BOLTS
Your bolts and studs are what hold everything together in your engine and keep everything in its place, working exactly as it should. So really, your engine's performance is only as good as the bolts and studs holding it together. CPP Diesel carries high-quality GM Duramax studs and bolts for all of your engine modification and maintenance needs.
Excellent Products and Service
All of our studs and bolts are incredibly durable and built to last. We carry valve cover bolt kits, head stud kits, rod bolt kits, flexplate bolt kits, ultra torque assembly lubricants, head bolt sets, harmonic balancer bolt kits, and other premium parts for your diesel. We understand that you need your parts fast so you can get your engine in perfect working order, and we work hard to ship out all orders as quickly as we receive them. For most orders placed before 2:00 P.M. EST, we ship same-day!
Order Yours Today
We stock quality GM Duramax studs and bolts at low prices. If you have any questions about our various part kits, or about our inventory, give us a call at 724-785-4022. You can also message us or email us and we'll get back to you right away. Order your parts now.
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XDP XD624 ENGINE OIL PAN BOLT KIT (BLACK-PHOSPHATE) 2001-2016 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
XTREME DIESEL PERFORMANCE
$27.47XDP carries the XDP Engine Oil Pan Bolt Kit (Black-Phosphate) XD624 that will replace the stripped bolts on your 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML. These (18) Class 10.9 bolts feature 150,000 PSI tensile strength for durability and a black...$27.47 -
XDP XD3017HS X220 SERIES HEAD STUD KIT 2017-2023 GM DURAMAX 6.6L L5P
XTREME DIESEL PERFORMANCE
$791.71Upgrade the OEM head bolts on your 2017-2023 GM 6.6L Duramax L5P when you purchase the XDP X220 Series Head Stud Kit XD3017HS. Upgrading the factory head bolts is a must when start adding horsepower and torque to your Silverado/Sierra. The factory bolts...$791.71 -
XDP XD3019RB CONNECTING ROD BOLT KIT 2001-2010 GM DURAMAX 6.6L
XTREME DIESEL PERFORMANCE
$289.10Upgrade the factory connecting rod bolts on your 2001-2010 GM 6.6L Duramax LB7/LLY/LBZ/LMM with the XDP Connecting Rod Bolt Kit XD3019RB. Constructed from Chrome Moly with a proprietary element added for additional strength. A tensile strength between...$289.10 -
XDP XD3009HS X260 SERIES HEAD STUD KIT 2001-2016 GM DURAMAX 6.6L LB7/LLY/LBZ/LMM/LML
XTREME DIESEL PERFORMANCE
$1,927.73The XDP X260 Series Head Stud Kit XD3009HS is a must have for your high-horsepower 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML. The XDP head studs are the ideal upgrade for any high-performance, racing, or sled pulling application. These studs are more...$1,927.73 -
XDP XD3008MS MAIN STUD KIT 2006-2010 GM DURAMAX 6.6L LBZ LBZ/LMM
XTREME DIESEL PERFORMANCE
$323.53Upgrade the factory main bolts in your 2006-2010 GM 6.6L Duramax LBZ/LMM with the XDP Main Stud Kit XD3008MS. Whether you are setting up your Duramax for the track or street, upgrading the stock OEM main bolts is a must. The factory bolts typically can't...$323.53 -
XDP XD3007MS MAIN STUD KIT 2001-2005 GM DURAMAX 6.6L LB7/LLY
XTREME DIESEL PERFORMANCE
$323.53The XDP Main Stud Kit XD3007MS is essential for setting up your 2001-2005 GM 6.6L Duramax LB7/LLY for competition or street use. OEM main bolts typically struggle to handle the pressure in high-horsepower engines. Constructed using an 8740 Chrome Moly...$323.53 -
XDP XD533 BLACK-PHOSPHATE STARTER BOLT KIT 2001-2022 GM DURAMAX 6.6L LB7/LLY/LBZ/LMM/LML/L5P
XTREME DIESEL PERFORMANCE
$13.70The XDP Black-Phosphate Starter Bolt Kit XD533 will replace the corroded starter bolts on your 2001-2022 GM 6.6L Duramax. The starter is situated in the lowest part of the engine compartment, where it is subjected to the elements like rain, mud, and snow...$13.70 -
XDP XD3006HS X220 SERIES HEAD STUD KIT 2001-2016 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
XTREME DIESEL PERFORMANCE
$722.86The XDP X220 Series Head Stud Kit XD3006HS is a must have for your high performance 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML. The OEM head bolts typically can't handle the pressure from high-horsepower applications. Constructed using 8740 Chrome...$722.86 -
PPE 118034000 MAIN STUD KIT 2001-2005 GM DURAMAX 6.6L LB7/LLY
PACIFIC PERFORMANCE ENGINEERING
$316.01Main Stud Kit GM 01-05 PPE PPE Diesel$316.01 -
PPE 118034100 MAIN STUD KIT 2006-2016 GM 6.6L DURAMAX LBZ/LMM/LML
PACIFIC PERFORMANCE ENGINEERING
$316.01Main Stud Kit GM 06-16 PPE Diesel$316.01 -
PPE 118034700 HEAD STUD KIT 2017-2023 GM 6.6L DURAMAX L5P
PACIFIC PERFORMANCE ENGINEERING
$743.57Engine builders understand the need for high-strength holding power and fasteners that are precision-engineered to handle the extreme stresses that high-performance diesel engines produce. The PPE Head Stud Kit exceeds industry standards required by...$743.57 -
GATOR FASTENERS HDB66 HARMONIC DAMPER BOLT 2001-2019 DURAMAX 6.6L LB7/LLY/LBZ/LMM/LML
GATOR FASTENERS
$41.30If you are wanting to keep your 6.6L Duramax on the road for the long haul, you need the high quality parts like these Gator Fasteners. Fitment Notes: 2001-2019 Chevy Duramax 6.6L 2001-2019 GMC Duramax 6.6L$41.30 -
GATOR FASTENERS HSK6265 HEAVY DUTY HEAD STUD KIT 1982-2000 GM DIESEL 6.2L/6.5L
GATOR FASTENERS
$399.32If you are wanting to keep your 6.2L or 6.5L Chevy/GMC Diesel on the road for the long haul, you need to replace your head bolts with upgraded head studs. These head studs have a much higher strength and will not stretch like the factory bolts will...$399.32 -
GATOR FASTENERS HSK66 HEAVY DUTY HEAD STUD KIT 2001-2016 GM DURAMAX LB7/LLY/LBZ/LMM/LML
GATOR FASTENERS
$722.91If you are wanting to keep your 6.6L Duramax on the road for the long haul, you need to replace your head bolts with upgraded head studs. The Gator Fasteners Head Stud Kit is a must have in any high performance 2001-2016 GM 6.6L Duramax. To overcome head...$722.91 -
GATOR FASTENERS HSK66L5P HEAVY DUTY HEAD STUD KIT 2017-2021 GM DURAMAX 6.6L L5P
GATOR FASTENERS
$791.76If you are wanting to keep your LP5 6.6L Duramax on the road for the long haul, you need to replace your head bolts with upgraded head studs. These head studs have a much higher strength and will not stretch like the factory bolts will. This will help...$791.76 -
GATOR FASTENERS MSK667Y HEAVY DUTY MAIN STUD KIT 2001-2005 GM DURAMAX 6.6L LB7/LLY
GATOR FASTENERS
$323.58Gator Fasteners Heavy Duty Main Studs are design to hold the bottom end of your 6.6L 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...$323.58 -
GATOR FASTENERS MSK66ZM HEAVY DUTY MAIN STUD KIT 2006-2010 GM DURAMAX 6.6L LLY/LBZ/LMM
GATOR FASTENERS
$323.58Gator Fasteners Heavy Duty Main Studs are design to hold the bottom end of your 6.6L 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...$323.58 -
GATOR FASTENERS RBK66 HEAVY DUTY ROD BOLT KIT 2001-2010 GM DURAMAX LB7/LLY/LBZ/LMM
GATOR FASTENERS
$289.16Siverado/Sierra 2500/3500 2001-10 6.6L Heavy Duty Rod Bolt Kit Gator Fasteners If you are wanting to keep your 6.6L Duramax on the road for the long haul, you need the high quality parts like these Gator Fastener Rod Bolts. These head studs have a much...$289.16 -
PPE 118034300 HEAD STUD KIT 2001-2016 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
PACIFIC PERFORMANCE ENGINEERING
$743.57Engine builders understand the need for high-strength holding power and fasteners that are precision-engineered to handle the extreme stresses that high-performance diesel engines produce. The PPE Head Stud Kit exceeds industry standards required by...$743.57 -
FLUIDAMPR 300010 HIGH STRENGTH BOLT KIT FOR USE WITH FLUIDAMPR ON 2001-2016 GM 6.6L DURAMAX
FLUIDAMPR
$119.39FLUIDAMPR 300010 HIGH STRENGTH BOLT KIT FOR USE WITH FLUIDAMPR ON 2001-2016 GM 6.6L DURAMAX$119.39 -
ARP 230-6301 ROD BOLT KIT 2001-2010 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM
ARP
$316.70ARP 230-6301 ROD BOLT KIT 2001-2010 GM 6.6L DURAMAX$316.70 -
ARP 230-5402 MAIN STUD KIT 2006-2010 GM 6.6L DURAMAX LBZ/LMM
ARP
$351.12ARP 230-5402 DIESEL MAIN STUD KIT 2006-2010 GM 6.6L DURAMAX LBZ/LMM$351.12 -
ARP 230-5401 MAIN STUD KIT 2001-2005 GM 6.6L DURAMAX LB7/LLY
ARP
$351.12ARP 230-5401 DIESEL MAIN STUD KIT 2001-2005 GM 6.6L DURAMAX LB7/LLY$351.12 -
ARP 230-4301 HEAD STUD KIT 2017-2021 GM 6.6L DURAMAX L5P
ARP
$950.12ARP 230-4301 DIESEL HEAD STUD KIT 2017-2020 GM 6.6L DURAMAX L5P$950.12 -
ARP 230-4202 HEAD STUD KIT-625 SERIES 2001-2016 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
ARP
$2,378.51ARP 230-4202 6.6L DURAMAX 2001 AND LATER LB7/LLY/LBZ/LMM CUSTOM AGE 625+ HEAD STUD KIT$2,378.51 -
ARP 230-4201 HEAD STUD KIT 2001-2016 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
ARP
$863.37ARP 230-4201 6.6L DURAMAX 2001 AND LATER LB7/LLY/LBZ/LMM ARP2000 HEAD STUD KIT$863.37 -
ARP 230-2901 FLEXPLATE BOLT KIT 2001-2010 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM
ARP
$119.79ARP 230-2901 CHEVY/GM 6.6L DURAMAX DIESEL FLEXPLATE BOLT KIT$119.79 -
ARP 230-2801 FLYWHEEL BOLT KIT 2001-2007 GM 6.6L DURAMAX LB7/LLY/LBZ
ARP
$117.03ARP 230-2801 FLYWHEEL BOLT KIT 2001-2007 GM 6.6L DURAMAX$117.03 -
ARP 129-2503 BALANCER BOLT KIT 2001-2019 GM 6.6L DURAMAX LLY/LBZ/LMM/LML
ARP
$41.30ARP 129-2503 BALANCER BOLT KIT 2001-2019 GM 6.6L DURAMAX$41.30 -
ARP 100-7534 VALVE COVER BOLT KIT-HEX 2004.5-2016 GM 6.6L DURAMAX LLY/LBZ/LMM/LML
ARP
$148.70ARP 100-7534 DURAMAX 6.6L LBZ/LLY/LML/LMM HEX VALVE COVER BOLT KIT$148.70 -
ARP 100-7533 VALVE COVER BOLT KIT-12PT 2004.5-2016 GM 6.6L DURAMAX LLY/LBZ/LMM/LML
ARP
$165.23ARP 100-7533 DURAMAX 6.6L LBZ/LLY/LML/LMM 12PT VALVE COVER BOLT KIT$165.23 -
ARP 100-7532 VALVE COVER BOLT KIT-HEX 2001-2004 DURAMAX LB7
ARP
$106.02ARP 100-7532 DURAMAX 6.6L LB7 HEX VALVE COVER BOLT KIT$106.02 -
ARP 100-7531 VALVE COVER BOLT KIT-12PT 2001-2004 DURAMAX LB7
ARP
$117.03ARP 100-7531 DURAMAX 6.6L LB7 12PT VALVE COVER BOLT KIT$117.03 -
MAHLE GS33504 ENGINE CYLINDER HEAD BOLT SET 2001-2010 GM DURAMAX 6.6L LB7/LLY/LBZ/LMM
MAHLE
$102.44MAHLE GS33504 CYLINDER HEAD BOLTS 2001-2010 GM 6.6L DURAMAX$102.44