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Your cart is empty.Main cap Bolts set compatible with 2000-2015 GM LS1 LS2 LS6 LS7 LS Engines. Includes 10 inner main bolts and 10 outer main bolts for Windage tray and 10 Main Cap side bolts. These bolts are from the same supplier to GM. These replace OEM 12560272,12560273, 12556127 bolts.
Tim McCain
August 9, 2025
Torqued well and the engine has been running over a year!
customer
June 20, 2025
These bolts are the exact main bolts I was replacing. Down to manufacturer markings and stamps.
Customer
June 10, 2025
Perfect stock main bolts at a good price. Will buy again!
Sammy
May 7, 2025
For my 2002 Chevy Silverado 4.8 vortec engine.
Jeremy
April 4, 2025
Worked well on my big cam 4.8, follow standard torquing instructions and no problems for over a year
Selena
January 15, 2025
The shipping folks must have used my box of bolts as a hockey puck.Bolts survived and worked good
Josh W.
January 10, 2025
Not the highest quality but better than stock. Make sure bolt holes are dry. Don’t over oil threads. Strip easily and and nuts begin to distort.
Daniel Z
December 8, 2024
They look identical to oem amd function as oem.I would buy again ..used them on my GM 2007 5.3l engine .. also used a set on a GM 2001 zo6 5.7l
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