Holley EFI LS1/2/6 Hi-Ram Intake Manifold, EFI, 105mm LS Throttle Body – High-performance manifold for GM LS1, LS2, and LS6 engines with a 105mm throttle body flange for enhanced airflow.

Holley EFI LS Injector Harness (Part #558-201) – Pre-terminated wiring harness for GM LSx engines, designed for EV6 (USCAR) style injectors, compatible with Holley HP, Dominator, and Terminator X ECUs.

​Holley EFI HP ECU & Harness Kit for LS2/3/7 with NTK sensor – Plug-and-play system featuring a programmable HP ECU, NTK wideband O2 sensor, and harnesses for GM LS2, LS3, and LS7 engines with 58x crank sensors and EV6 injectors

Holley EFI Comp Mid-Mount Accessory System, LS, Black – Compact and clean LS engine accessory drive system with LT1-style water pump, A/C compressor, power steering pump, and alternator.

Holley EFI Comp Hi-Pass Bracket Kit, LS/LT, with SD5, Natural Finish – High-mount accessory drive kit for LS/LT engines with SD508 compressor, tensioner, and idler pulleys.

The HF Hi-Ram Intake for LS3 features a high-flow design with a 90mm throttle body opening, enhancing airflow and performance for high-output applications.

HF Hi-Ram Intake LS3 102mm – high-performance 102mm intake manifold for LS3 engines, designed for maximum airflow and power.

LS3 Lo-Ram Billet Intake Manifold, Single Injector – compact, high-performance intake for boosted LS3 setups with single injector compatibility.

GM LSX oil cooler adapter allows easy hookup of an external oil cooler from the stock oil filter location.

Fluidampr 760111 is a stock-diameter, SFI-certified harmonic damper for LSX engines, reducing vibration with viscous silicone technology.

Ferrea E12001 Titanium Retainer Set for LS1/LS7, set of 16, 7° profile

Ferrea E12001 Titanium Retainer Set for LS1, set of 16, 7° profile

Ferrea E12014 Titanium Retainer Set for LS1/LT1, set of 16, 7° Pro CNC profile, approx

Ferrea Single Beehive Valve Spring for LS1/LT1, set of 16, 130/318 lbs, 0.600" max lift,

Ferrea Single Beehive Valve Spring for LS1/LT1, set of 16, 130/318 lbs, 0.600" max lift

Ferrea Single Beehive Valve Spring for LS1/LT1, set of 16, 105/293 lbs, 0.600" max lift, approx

Ferrea SL1080 Seat Locator for LS1/LT1, set of 16, CNC-machined chromoly, approx

Ferrea SL1080 Seat Locator for LS1/LT1, set of 16, CNC-machined chromoly

Ferrea SL1036 Seat Locator Set for LS1, set of 16, CNC-machined chromoly

The Ferrea Intake Valve Kit for LS3, 2.165" 12deg, Set of 8, features high-performance valves made from EV8 stainless steel with a 12° underhead angle, designed for high-revving LS3 engine builds.