Description
Comparison points and tradeoffs
When comparing Main Cap Bolt kit Compatible with 2000-15 GM LS1 LS2 LS6 LS7 LS9 Engines 12560273 12560272 12556127 with other Main Bolts & Studs options, use this source-backed detail as the primary discriminator: Referenced part number: 12560273.
Use this second fact to evaluate the tradeoff: Referenced part number: 12556127. A third point to compare across alternatives is: Application note: 7L LS1 & LS6 Main cap Bolts set compatible with 2000-2015 GM LS1 LS2 LS6 LS7 LS Engines.
Alternative-selection boundary
Choose an alternative when its stated identifiers, application, package, or specifications better match the requirement; no unverified competitor claim is introduced here.
Complete source-backed product details
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.
Source product highlights
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 4.8 4.8L 5.3 5.3L 5.7 5.7L LS1 & LS6
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.
Selection, alternatives, tradeoffs, upgrades, and direct replacements
Buying guidance
Quick decision
Use the supplied facts to compare this main bolts & studs with direct replacements and nearby alternatives.
Choose this if
- The listed specifications and referenced numbers match the part you need.
- The package contents cover the repair without missing required components.
Consider another option if
- Your vehicle, connector, side, dimensions, or part number do not match the listing.
- You need a different package quantity, material, or variation.
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!