Description
Review this item in the context of the repair, installation access, nearby parts, and the result the completed job is intended to achieve.
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.
Vehicle information
Available fitment details
Listing compatibility notes
- About this item 10 inner Main Bolts Replaces OEM 12560272 10 Outer main bolts for windage tray Replaces OEM 12560273 10 Main cap Side Bolts Replaces OEM 12556127 Compatible with 1997-2015 Chevy Pontiac 4.
- 7L LS1 & LS6 Main cap Bolts set compatible with 2000-2015 GM LS1 LS2 LS6 LS7 LS Engines.
Fitment data is provided as a buying aid. Verify the listing against your vehicle and existing part before ordering.
Repair scenarios, installation, companion parts, and use outcomes
Buying guidance
Quick decision
Review this main bolts & studs in the context of the repair and the surrounding components.
Repair scenario
- Identify the symptom and confirm that this is the component required by the repair.
- Inspect nearby connectors, fasteners, and mating surfaces before installation.
Installation notes
- Use the listing instructions when present and follow the vehicle service procedure.
- Professional installation may be appropriate when the repair requires special tools or calibration.
Companion parts
- Inspect nearby fasteners, connectors, seals, fluids, and wear items before starting the repair.
- Use the service procedure and the visible package contents to identify any additional parts or tools required.
Before you buy
- Verify the referenced part number: 12560272, 12560273, 12556127.
- Compare the listing title, photos, package contents, and specifications with the part being replaced.
- Confirm vehicle compatibility and installation requirements before ordering.
Customer feedback
Ratings and written reviews
4.6 / 5
82 source ratings
Source: Amazon. Imported marketplace feedback is shown for product research and is not a review of a purchase made on this website.
Customer –
Perfect stock main bolts at a good price. Will buy again!
Sammy –
For my 2002 Chevy Silverado 4.8 vortec engine.
customer –
These bolts are the exact main bolts I was replacing. Down to manufacturer markings and stamps.
Josh W. –
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 –
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
Selena –
The shipping folks must have used my box of bolts as a hockey puck.Bolts survived and worked good
Jeremy –
Worked well on my big cam 4.8, follow standard torquing instructions and no problems for over a year
Tim McCain –
Torqued well and the engine has been running over a year!