--- product_id: 329475322 title: "Front and Rear Cover Billet Alignment Tool & Oil Pan Alignment Tool Fits for LS Series Engines 4.8 5.3 5.7 6.0 LS1 LS2 LS3 LS6 L99 LS9 LSA LQ4" brand: "bonbo" price: "€ 108.78" currency: EUR in_stock: true reviews_count: 5 category: "Bonbo" url: https://www.desertcart.gr/products/329475322-front-and-rear-cover-billet-alignment-tool-and-oil-pan store_origin: GR region: Greece --- # Tight tolerances for perfect alignment Fits all GM LS series engines 4.8-6.0L Precision billet aluminum build Front and Rear Cover Billet Alignment Tool & Oil Pan Alignment Tool Fits for LS Series Engines 4.8 5.3 5.7 6.0 LS1 LS2 LS3 LS6 L99 LS9 LSA LQ4 **Brand:** bonbo **Price:** € 108.78 **Availability:** ✅ In Stock ## Summary > 🔩 Align Like a Pro, Seal Like a Boss! ## Quick Answers - **What is this?** Front and Rear Cover Billet Alignment Tool & Oil Pan Alignment Tool Fits for LS Series Engines 4.8 5.3 5.7 6.0 LS1 LS2 LS3 LS6 L99 LS9 LSA LQ4 by bonbo - **How much does it cost?** € 108.78 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/329475322-front-and-rear-cover-billet-alignment-tool-and-oil-pan) ## Best For - bonbo enthusiasts ## Why This Product - Trusted bonbo brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Trusted by Pros & DIYers Alike:** Highly rated with 4.7 stars and a top 10 rank in automotive alignment tools—join the elite builders who rely on Bonbo. - • **Universal LS Series Compatibility:** Seamlessly fits a wide range of GM LS engines from 4.8L to 6.0L, including LS1 through LSA models. - • **Critical Oil Pan & Cover Alignment:** Mimics balancer and oil pan to maintain block rigidity and flawless assembly every time. - • **Durable Billet Aluminum Construction:** Crafted from corrosion-resistant, impact-resistant billet aluminum for long-lasting precision. - • **Engineered for Perfect Seal Alignment:** Ensures front and rear covers are centered to prevent costly leaks and extend engine life. ## Overview The Bonbo Front and Rear Cover Billet Alignment Tool & Oil Pan Alignment Tool is a precision-engineered kit designed for GM LS series engines (4.8L to 6.0L). Made from high-quality billet aluminum with tight tolerances, it ensures perfect alignment of engine covers and oil pans to prevent leaks and maintain block rigidity. Trusted by mechanics and engine builders, this tool set guarantees professional-grade assembly and long-term reliability. ## Description Front Rear Cover and Oil Pan Alignment Tool Kit Fits for LS Engines Fits for all LS series engines 4.8 5.3 5.7 6.0 LS1 LS2 LS3 LS6 L99 LS4 LS9 LSA LQ4 LQ9 L76 L92. Helps align the front and rear engine covers for proper seal function and longevity. It is critical that the seals be aligned perfectly concentric to the front diameter of the balancer hub sealing surface. BENEFITS 1. Cover Alignment Tool mimics the balancer to center the cover on the front seal OR locates on the ID of the seal bore in the cover without the seal installed. 2. While the Oil Pan Alignment Tool mimics the oil pan thus providing critical alignment of the oil pan and front cover. MATERIAL Billet aluminum & Quality steel. Very tight tolerances for a perfect alignment. This kit is a must have for engine builders and mechanics! Nice design The oil pan is a stressed member and adds to block rigidity for the LS engine. For this reason, oil pan can't simply be slapped in place along with the front and rear engine covers, it must be carefully aligned with the block. Review: 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 :) Review: 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). ## Features - 【Applications】The front & rear cover and oil pan alignment tool set perfectly compatible with GM LS series engine 4.8 5.3 5.7 6.0 LS1 LS2 LS3 LS4 LS6 LS7 L99 LS4 LS9 LSA LQ4 LQ9 L76 L92. - 【High Performance】This front and rear cover billet alignment tool kit helps easily align the front and rear engine covers to make sure the cover is centered, allows you properly install the seal to avoid leaks. In additional, can center / align the cover on the front seal or locates on the inside diameter of the seal bore in the cover without the seal installed. A centered cover means less of a chance for a seal to leak. - 【Powerful Functions】This tool mimics the balancer and oil pan to provide critical alignment of the oil pan and front cover, designed to be used in conjunction with the front cover alignment tool. For LS engine, the oil pan is a stressed member and adds to block rigidity. Due to this reason, it can't simply be slapped in place, you will have to aligned the front and rear engine covers to the oil pan carefully. - 【Superior Material】Made from top quality Aluminum for great strength, prevent corrosion and rust, impact resistance, tight tolerances for perfect alignment, ensures long term reliable service. Perfect for engine builders and mechanic to replace the front or rear main seal for GM LS series engine. - 【100% Satisfaction Guarantee】If you're not satisfied with our Front and Rear Cover Alignment Tool & Oil Pan Alignment Tool Set, simply return it for getting refund in 30 days. While you have any questions about our products, please feel free to contact us and we will provide the best service. Always buy confidently in Bonbo! ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B088W435KX | | Best Sellers Rank | #96,258 in Automotive ( See Top 100 in Automotive ) #7 in Automotive Alignment Tools | | Brand | bonbo | | Customer Reviews | 4.7 4.7 out of 5 stars (851) | | Date First Available | 13 August 2020 | | Item Weight | 1.51 Kilograms | | Item model number | B-LS-3 | | Manufacturer | Bonbo | | Manufacturer Part Number | B-LS-3 | | Package Dimensions | 28.56 x 12.7 x 5.79 cm; 1.51 kg | ## Images ![Front and Rear Cover Billet Alignment Tool & Oil Pan Alignment Tool Fits for LS Series Engines 4.8 5.3 5.7 6.0 LS1 LS2 LS3 LS6 L99 LS9 LSA LQ4 - Image 1](https://m.media-amazon.com/images/I/61ZZ6P-3QoL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Well made kit, must have for LS engine work *by M***N on 11 March 2026* 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 :) ### ⭐⭐⭐⭐⭐ Well made! *by J***M on 29 January 2022* 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). ### ⭐⭐⭐⭐⭐ Worked perfect *by D***N on 28 May 2026* Very good product worked great 👍 ## Frequently Bought Together - Front and Rear Cover Billet Alignment Tool & Oil Pan Alignment Tool Fits for LS Series Engines 4.8 5.3 5.7 6.0 LS1 LS2 LS3 LS6 L99 LS9 LSA LQ4 - Chelhead LS Flywheel Locking Tool Steel Black Oxide Flexplate Locking Holder Tool Compatible with Engine Chevy LS 1 2 3 LSX - SEEBOO LS Harmonic Balancer Installation Tool Crank Pulley Install Tool 551141 Compatible with GM 1997-UP V8 LS1 LS2 LS3 LS4 LSX LSA LS6 LQ4 LQ9 with Thrust Bearing & Wrench Flats --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.gr/products/329475322-front-and-rear-cover-billet-alignment-tool-and-oil-pan](https://www.desertcart.gr/products/329475322-front-and-rear-cover-billet-alignment-tool-and-oil-pan) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-06-23*