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โ๏ธ Nail your LS engine build with precision and power!
The Bonbo Front and Rear Cover Billet Alignment Tool & Oil Pan Alignment Tool is a premium, corrosion-resistant aluminum kit designed to perfectly align front and rear covers and oil pans on GM LS series engines (4.8L to 6.0L). Trusted by professionals for its precision fit and durability, it prevents seal leaks and maintains engine block rigidity, making it an essential tool for any serious LS engine builder or mechanic.










| ASIN | B088W435KX |
| Best Sellers Rank | #8,457 in Automotive ( See Top 100 in Automotive ) #1 in Alignment Tools |
| Brand | Bonbo |
| Customer Reviews | 4.7 4.7 out of 5 stars (923) |
| Date First Available | May 20, 2020 |
| Item Weight | 3.32 pounds |
| Item model number | B-LS-3 |
| Manufacturer | Bonbo |
| Manufacturer Part Number | B-LS-3 |
| Package Dimensions | 11.25 x 5 x 2.28 inches |
D**N
Worked perfect
Very good product worked great ๐
M**N
Well made kit, must have for LS engine work
Well made kit. Must have for assembling your LS engine. Each alignment jig also doubles as a seal driver which is very helpful. Instructions are easy to follow, just wish the print was bigger because I'm old and blind :)
R**D
Works great
Works great
R**B
Good for price
The rear main seal tool works great haven't used the front main seal tool yet but It looks to be machined well and a perfect fit
M**R
Great
Fantastic
W**M
Real Nice but
Everything about this is very nice BUT the front cover alignment tool could be longer so it could also be a rear alignment tool. Kinda dumb that itโs not
A**S
Perfect fit
Very good quality
R**H
LS pan, alignment and seal install installer
Looks like a great alignment tool and seal installer have not had a chance to use it yet, but looks to be a good quality
J**M
Well made!
Used it to install the rear seal and worked very well. Don't pop out the plastic insert. It's used to align the seal. Put it (the seal) over the end of the crank and put your fingers at 10, 2, 4 and 8 o'clock and push the seal in. Use the tool to tap the seal in until it bottoms out. (service manual indicates the seal should be tapped in until it bottoms out).
Trustpilot
1 month ago
2 weeks ago