Customer Appreciation Week 2026
Customer Appreciation Week 2026
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#52170073
FiTech 70073 Loaded LS3 Aluminum Intake Manifold 500HP Kit, Black
$868.50
/kit
Factory Shipped
$965.00
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Product Summary
Multi-port Injection Style, 1,500-6,500 RPM Range
Rebates Available
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Return PolicyFiTech 70073 Details
FiTech 70073 Details
Loaded LS3 Aluminum Intake Manifold 500HP Kit, Black
This Loaded LS3 aluminum intake manifold is a complete self-tuning induction systems for LS engines supporting up to 500HP. Designed for the do-it-yourself hot rodder to the professional EFI tuner! This system is ready to go with everything needed to complete the induction system of your LS engine and get you on the road easily and faster than any system on the market today. Forget sourcing mismatched parts and cutting and splicing old harnesses and re-flashed ECUs from Craigslist tuners.
FiTech Ultimate LS Loaded intake manifold kits are just like the systems, but without the ECU and hand-held controller.
FiTech Ultimate LS Loaded intake manifold kits will have:
- Low-profile 92mm inlet aluminum fabricated intake with 1,500 to 6,500 rpm powerband, 3mm construction, TIG-welded, black anodized with embossed FiTech logo
- CNC-machined with O-ring gaskets and hardware included
- High-flow cable operated 92mm throttle body
- Parabolic inlet machining for smooth throttle transitions, same as OE
- Throttle body features progressive linkage pulley with double-return spring and adjustable stop
- Billet fuel rails with AN fittings and fuel crossover
- 36 lbs./hr. flow-matched injectors
Rebates
FiTech Up To $500 Off Select Parts Summer Sale

FiTech Fuel Injection is pleased to announce our Summer Performance Sale, running from July 1, 2026, through July 31, 2026. For a limited time, customers can save up to $500 across the FiTech lineup, making it the perfect opportunity to upgrade with high-quality EFI systems, fuel delivery, ignition, and accessories. The sale prices are applicable only to purchases made within the specified sale period, from July 1, 2026, to July 31, 2026. No rainchecks or exceptions will be provided. Sale price is valid through July, regular MAP Pricing will be reinforced on August 1, 2026. This sale cannot be combined with any other offers, discounts, or promotions. Co-ops will be honored.
CARB Warning
For race/ off road use or for use on pre-1966 vehicles.
CARB Warning
For race/ off road use or for use on pre-1966 vehicles.
FiTech 70073 Specifications
FiTech 70073 Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | 70073 |
| Brand | FiTech |
| RPM Range | 1,500-6,500 |
| GENERAL | |
| Injection Style | Multi-port |
| Cylinder Head Configuration | Cathedral Port |
| Throttle Body Bore Size | 92mm |
| Intake Section Included | Complete |
| Base Material | Aluminum |
| Throttle Body Included | Yes |
| Injectors Included | Yes |
| Aftermarket Fuel Rail Required | Yes |
| Runners Included | Yes |
| Runners Removable | No |
| Supplemental Bosses Cast-In | No |
| Supplemental Bosses Machined | Yes |
| Supplemental Boss Quantity | 8 |
| Sold in Quantity | Kit |
| Notes | Kit includes o-ring seals and hardware. For 500 HP LS3 engines. |
| GTIN Code | 852192008520 |
| Multi-Port Fuel Rails Included | Yes |
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Fitment
Fitment
2010-2014 Chevy Camaro
GM LS3
2008-2013 Chevy Corvette
GM LS3
2014-2017 Chevy SS
GM LS3
2009 Pontiac G8
GM LS3