Made in USA
BTR-LTMAINBOLTKIT Replacement GM LT Main Cap Bolt Kit
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BRIAN TOOLEY RACING BTRPART NUMBER: 559-J559003

BTR-LTMAINBOLTKIT Replacement GM LT Main Cap Bolt Kit

$9999
ShippingShips on 09/08/2026
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Crankshaft Main Cap Bolts
Replacement GM LT Main Cap Bolt Kit
  • Includes:
    • GM 11548075 Main Cap Bolts
    • (10) GM 11548076 Main Cap Bolt/Studs
    • (10) GM 11546565 Side Cap Bolts

      The Brian Tooley Racing BTR J559003 (BTR-LTMAINBOLTKIT) Replacement GM LT Main Cap Bolt Kit is a stock-replacement fastener set engineered to secure main caps on GM LT-series engines during rebuilds or performance builds. This kit includes all required main cap bolts in the correct lengths and grades to match factory specifications, helping ensure proper crankshaft retention and engine durability. Zinc plating provides corrosion resistance, making this kit ideal for both maintenance and high-performance engine assemblies.

      Brian Tooley Racing BTR J559003 (BTR-LTMAINBOLTKIT) Replacement GM LT Main Cap Bolt Kit Features:

      • Complete stock replacement main cap bolt kit for GM LT series engines
      • Includes correct lengths and grades of bolts for direct fitment
      • Zinc-plated finish for corrosion protection and long service life
      • Engineered to meet OEM torque and fitment standards
      • Ideal for engine rebuilds, maintenance, or performance applications
      • Quality hardware designed for reliable clamping force
  • Part TypeCrankshaft Main Bearing Cap Bolt
    BrandBRIAN TOOLEY RACING BTR
    Package Height4.0
    Package Width4.0
    Package Length12.0
    Weight10.0 PG
    Part CategoryReplacement Parts
    Head Drive TypeHex
    QuantitySet of 30
    Part FitmentSemi Universal
    Grade TypeOEM
    Vendor Part NumberBTR-LTMAINBOLTKIT
    Package Qty1
    Package TypeEA
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