Jan 11, 2019 · The LH6 engine is a 5.3L Gen. IV aluminum engine that replaced the LM4 in 2005. It was the first Gen. IV LS truck engine and offered Active Fuel Management (AFM). The LH6 was available in mid-size SUVs until 2009, and in GM pickups from 2007-09. For marketing purposes, it was also known as the Vortec 5300.

Apr 5, 2018 · To make it easier to quickly distinguish key differences/similarities between each LT and LS engine, Summit Racing created a handy .PDF that you can use as a quick reference guide. You can download it in the link below, or keep …

Apr 27, 2023 · An LH6 build or LC9 5.3 build is popular for those on a budget just looking to make a nice 400-450 HP for a cheap LS 5.3 junkyard build. Any of these will work in a classic hot rod or muscle car using one of our LS swap oil pans for clearance.

Mar 21, 2022 · The 5.3L LS, or Vortec 5300, is primarily a truck/SUV engine that spanned both the Gen. III and Gen. IV versions of the GM LS lifespan. It’s essentially a longer-stroke version of the 4.8L LS and powered vehicles such as the Silverado, Sierra, Yukon, and Escalade.

The General Motors LS-based small-block engines are a family of V8 and offshoot V6 engines designed and manufactured by the American automotive company General Motors.

Apr 16, 2025 · The 5.3L LS is part of General Motors’ legendary LS engine family. With a displacement of 325 cubic inches, this V8 has become the backbone of GM’s truck and SUV lineup for over two decades. The engine features a 90-degree V configuration with a bore of 3.780 inches and a stroke of 3.622 inches.

Feb 11, 2023 · The LM7 5.3 Vortec engine has aluminum cylinder heads with an iron block and runs on gasoline. It has a 9.5:1 compression ratio and the heads use the LS-style cathedral intake ports and oval exhaust ports, with 1.89” intake and 1.55” exhaust valves. The LM7 uses two different camshafts.

Tri Star remanufactured GM 5.3 and 6.0 L GM LS engines for sale are built to meet or exceed OEM standards and our backed by our standard 3 year, unlimited mileage nationwide warranty (private use applications).

Jun 4, 1999 · Our systems utilize Precision 62mm turbos, Air-To-Air intercooler, and your choice of an exhaust connection type. Our kit has been tested on several applications. The first application was a 6.0L LQ4 stock engine with a 224 camshaft. On our Mustang 1100MD dyno it made 495rwhp on 5lbs of boost.

Aug 29, 2022 · The following list identifies which LS engines were installed in GM / Chevy cars, trucks, and SUVs, as well as VIN codes, LS engine horsepower & torque ratings, specs, and additional info: GEN III LS Engine Family