We build a 427-inch LSX engine with an iron block and Chevrolet Racing high-compression COPO pistons to make 661 hp on Westech Performance’s Superflow dyno.

We mix old and new by building a 427-inch Dart LX and topping it with a Roots 6-71 blower. This e85 mill made 869 hp and 773 lb-ft of torque on Westech’s dyno.

Michigan-based tuning company Lingenfelter Performance Engineering will soon raffle off an Eliminator Spec 427 LS engine for charity. Read more here.

Starting at 33,999 dollars, the supercharged 427 LS from Prestige Motorsports isn't your typical crate engine. It flaunts two superchargers, and it understandably makes big power.

Win a 650-HP Lingenfelter 427 LS and Benefit the Make-A-Wish Foundation! Dave Kindig will pick the winning raffle ticket at the 21st Annual Lingenfelter Performance Blue Suede Cruise.

This video features a customized 1991 GMC Syclone pickup that has traded the factory turbocharged V6 engine for a 427 LS V8 with an a huge 88mm turbocharger.

Available with engine mounts for small blocks, big blocks, LS-, and LT-based engines, the Roadster Shop chassis is gifted with a Ford-style rear differential housing and 31-spline axles.

MTI shows us how to build a dependable LS-1 Engine. Find all the details inside GM High-Tech Performance Magazine.

General Motors' LS series engines have been around since 1997, and have one key design feature that enables upgrades that significantly boost horsepower.

Developed and enhanced from the 505-hp LS7 engine, the new LS427/570 crate engine is a whopping 427 ci (7-liter) cast aluminum V8, naturally aspirated and tuned to produce 570 hp and 540 lb-ft ...