FAST LSXRT Intake Manifold, 102mm, Black, 4.8/5.3/6.0L, Cathedral Port
102mm air inlet
Black
Lighter weight,
Improved heat dissipating
Cathedral Port Heads
Truck Style
Description
FAST™ engineers teamed up with airflow specialists at RHS® to develop polymer intake manifolds for GM LS based engines. Testing on a near stock LS7 engine with a Big Mouth 102mm Throttle Body™ produced gains of 16+ horsepower, and 26+ rear wheel horsepower on a 500c.i. engine. The LSXR™ 102mm Intake Manifold features a revolutionary new modular design that allows fast and easy disassembly and features the ability to remove individual runners for porting.
LSXRT
Injection Molded Polymer Intake
Cathedral-Port Head Equipped Applications
Designed specifically for GM 4.8/5.3/6.0L cathedral port cylinder head-equipped truck engines and cathedral port LS1, -2, -6 applications where hood clearance is not a concern, the FAST™ LSXRT™102mm Intake Manifold follows the path chartered by the original FAST ™ LSX™ Gen III Intake by featuring a modular design that allows for easy porting and disassembly and a runner design that yields an incredible 25 peak horsepower gain over the stock intake, on a stock 6.0L engine with a Big Mouth 102mm Throttle Body™. Extensive testing led to a runner design that is longer and less restrictive and gives the user the ability to remove individual runners from the manifold for modification.
The LSXRT™ is constructed from a proprietary precision injection molded polymer which offers many benefits, including lighter weight, greater strength and lower heat soak propensity. While it features a 102mm air inlet that was designed for the FAST™ Big Mouth 102mm Throttle Body™, it can also be used with OEM electronic 78/90mm or aftermarket 90/92mm throttle bodies (three-bolt electronic throttle bodies require an adapter). Other features include integrated nitrous bungs and a precise bolt-on fit that permits the use of factory accessories and OEM fuel/emission connections without adjustments or clearance issues.
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25 HP gain when used w/ 102mm Big Mouth Throttle Body™ on a stock 6.0L truck engine
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Constructed from proprietary precision injection molded polymer; Lighter than aluminum w/ lower heat soak propensity & greater strength over stock molded intake
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Innovative multi-layer design w/ removable runners for quick & easy disassembly & porting
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Integrated nitrous bungs; plug-and-play w/ ZEX™ LSX™ Direct Port Nitrous System
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Patented Design - U.S. Patent No 8,567,366
50-State Legal CARB EO #D-279-9 | Throttle Body / Fuel Rail Type |
‘99-‘02 Silverado/Sierra 4.8/5.3/6.0L | 3-Bolt, Cable Throttle Body / Round Plastic Fuel Rails |
‘02-‘06 Silverado/Sierra 4.8/5.3/6.0L | 3-Bolt, Electronic Throttle Body / Round Plastic Fuel Rails |
‘07 Silverado/Sierra (“Classic”) 4.8/5.3/6.0L | 3-Bolt, Eletronic Throttle Body / Round Plastic Fuel Rails |
’07-‘13 Silverado/Sierra 4.8/5.3L | 4-Bolt, Eletronic Throttle Body / Square Metal Fuel Rails |
’00-’02 Tahoe/Yukon/Suburban 4.8/5.3/6.0L | 3-Bolt, Cable Throttle Body / Round Plastic Fuel Rails |
’02-’06 Tahoe/Yukon/Suburban 4.8/5.3/6.0L | 3-Bolt, Electronic Throttle Body / Round Plastic Fuel Rails |
’06-’09 Trailblazer SS1 LS2 (6.0L) | 4-Bolt, Electronic Throttle Body / Square Metal Fuel Rails |
’07-’14 Tahoe/Yukon/Suburban 4.8/5.3/6.0L | 4-Bolt, Electronic Throttle Body / Square Metal Fuel Rails |
*Drive-by-wire = Electronic Throttle Body / Drive-by-cable = Mechanical/Cable Throttle Body |
APPLICABLE THROTTLE BODIES
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FAST™ 102mm CNC Throttle Body 54102 (Drive-by-Cable)3
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OEM/Stock 3-Bolt Throttle Body w/ FAST™ Adaptor Plate 146029-KIT
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OEM/Stock 4-Bolt Throttle Body
APPLICABLE FUEL RAILS
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FAST™ Annodized CNC Fuel Rail Kit 146028-KIT
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OEM/Stock Round Plastic Fuel Rails w/ FAST™ Adaptor Kit 146030-KIT
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OEM/Stock Square Metal Fuel Rails w/ FAST™ Adaptor Kit 146031-KIT
1. Chevy Trailblazer SS requires some cowl modifications.
2. FAST™ throttle body requires GM purge solenoid #12581282 (Not sold by FAST™)
3. Drive-by-wire applications must re-use OEM throttle body or purchase aftermarket drive-by-wire throttle body.
4. Fuel line adaptor(s) required to connect to OEM fuel line(s).
*Can also be used with OEM 3-bolt throttle bodies (in applications where rectangle port heads have been retro-fitted) with FAST™ Adaptor Plate.
Specifications/Information
Details
- FAS-146602B
- FAS-146602B
- F.A.S.T.
- New
Categories
Shipping Information
- Item Requires Shipping
- 10.0 lbs.
- Free Shipping
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