AUTOCROSS LLC
MOBILE LS PERFORMANCE
DIAGNOSTICS FIRST
BUILT NOT RUSHED
909-419-1015

LS ENGINE PLATFORM

Gen III / IV Powerplants • Valvetrain Upgrades • Custom Swaps

Gen III and IV LS Engine Block Architecture

Gen III / IV Architecture

Expert knowledge across LS1, LS2, LS3, LM7, LQ4, and LQ9 powerplants with precision assembly and tuning focus.

LS Camshaft and Valvetrain Components

Camshaft & Valvetrain

Custom cam selection, dual valve springs, hardened pushrods, and timing chain upgrades built for reliable power.

LS Engine Swap and Chassis Integration

Engine Swaps & Integration

Clean wiring harness modifications, fuel system plumbing, and accessory drive setups tailored for your chassis.