Collection: OBS Duramax Hardware
ARP head studs, main studs, rod bolts, and valve cover hardware for 6.6L Duramax diesel swaps into 1988-1999 Chevy/GMC OBS trucks — LB7, LLY, LBZ, LMM, and L5P.
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12pt Valve Cover Bolt Kit - 6.6L Duramax LBZ/LLY/LML/LMM (Standard)
Regular price $148.16 USDRegular priceSale price $148.16 USD -
12pt SS Thermostat Housing Bolt Kit - 6.6L Duramax LMM
Regular price $50.17 USDRegular priceSale price $50.17 USD -
Hex Valve Cover Bolt Kit - 6.6L Duramax LBZ/LLY/LML/LMM
Regular price $186.06 USDRegular priceSale price $186.06 USD -
Flexplate Bolt Kit - 6.6L GM Duramax
Regular price $97.98 USDRegular priceSale price $97.98 USD -
Rod Bolt Kit - 6.6L GM Duramax
Regular price $277.11 USDRegular priceSale price $277.11 USD -
12pt Valve Cover Bolt Kit - 6.6L Duramax LBZ/LLY/LML/LMM
Regular price $156.24 USDRegular priceSale price $156.24 USD -
ARP2000 Head Stud Kit - GM Duramax 2.8L
Regular price $309.46 USDRegular priceSale price $309.46 USD -
Main Stud Kit - 6.6L Duramax LBZ/LMM (2006 and later)
Regular price $311.49 USDRegular priceSale price $311.49 USD -
CA625 Head Stud Kit - 6.6L Duramax L5P
Regular price $2,247.78 USDRegular priceSale price $2,247.78 USD -
Balancer Bolt Kit - 6.6L GM Duramax (Bolt Only)
Regular price $30.42 USDRegular priceSale price $30.42 USD -
Custom Age 625+ Head Stud Kit - 6.6L Duramax LB7/LLY/LBZ/LMM
Regular price $2,196.48 USDRegular priceSale price $2,196.48 USD -
Main Stud Kit - 6.6L Duramax LB7/LLY (2005 and earlier)
Regular price $307.28 USDRegular priceSale price $307.28 USD -
ARP2000 Head Stud Kit - 6.6L Duramax L5P
Regular price $852.08 USDRegular priceSale price $852.08 USD -
ARP2000 Head Stud Kit - 6.6L Duramax LB7/LLY (2001-2005)
Regular price $814.20 USDRegular priceSale price $814.20 USD