FAST LSX Manifold 92MM Inlet - Black

SKU: FST54039B

Intake Manifolds, Fuel Injected

FST Intake Manifolds

Fast

FAST LSX Manifold 92MM Inlet - Black

SKU: FST54039B

Intake Manifolds, Fuel Injected

FST Intake Manifolds

IN STOCK! Est Ship 3-7 Days days. This item is IN STOCK at one of our warehouses or distribution centres, the ETA is the approximate time required to prepare your order for dispatch.

We accept

Description

The patented LSX 92mm Black Intake Manifold from FAST is the only three-piece Gen

Product Overview

Replacement parts available. See 54039BUS for the upper shell. See 54039BLS for lower shell. Billet fuel rails available under 54023. Compatible throttle bodies available under 54092 and 54090.

Product Details

Year	Make
C.A.R.B. EO Number:	D-279-10
C.A.R.B. Exempt?:	Yes
California Proposition 65:	WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Description:	LSX 92mm Cathedral Port Intake Manifold for GEN III LS1, LS2, LS6
Intake Port Style:	Cathedral
Part Number:	fst54039B
Title:	LSX 92mm Cathedral Port Intake Manifold for GEN III LS1, LS2, LS6

Part Type

Engine Intake Manifold

Data: v4.2 - Upd: 2026-10-10 18:30:23

Specifications

Product Attributes - EGR: Yes
Product Attributes - UPC: 036584255697
Product Attributes - Brand: FAST
Product Attributes - Quantity: Sold individually.
Product Attributes - Emissions: California EO Approved
Product Attributes - Part Type: Intake Manifolds, Fuel Injected
Product Attributes - Base Color: Black
Product Attributes - Product Line: FAST LSX Intake Manifolds
Product Attributes - Base Material: Polymer
Product Attributes - Plenum Finish: Black
Product Attributes - Plenum Material: Polymer
Product Attributes - Runners Included: Yes
Product Attributes - CARB EO Number(s): D-279-10
Product Attributes - Runners Removable: Yes
Product Attributes - Injectors Included: No
Product Attributes - Fuel Injection Style: Multi-port
Product Attributes - Throttle Body Included: No
Product Attributes - Intake Section Included: Complete
Product Attributes - Throttle Body Bore Size: 92mm
Product Attributes - Engine Block Deck Height: Standard deck
Product Attributes - Basic Operating RPM Range: 1,800-6,000
Product Attributes - Manufacturer's Part Number: 54039B
Product Attributes - Supplemental Boss Quantity: Eight
Product Attributes - Cylinder Head Configuration: Cathedral Port LS1/LS2/LS6
Product Attributes - Supplemental Bosses Cast-In: Yes
Product Attributes - Supplemental Bosses Machined: No
Product Attributes - Aftermarket Fuel Rail Required: No
Product Attributes - Multi-Port Fuel Rails Included: No

Reference Information

Brand Name/s	Fast
StreetFX SKU	fst54039B
SFX Item ID	4084702
Supplier Item Code	4084702
Manufacturer SKU	54039B
Manufacturer UPC	36584255697
Alternative References	92MM

Brochures

Compatibility

Application Data

Beginning Year 2008
CC 5328
CID 325
Ending Year 2009
Engine Family Chevy small block Gen III/IV (LS-based engines)
Engine Size 5.3L/325
Engine Type V8
Engine VIN Code C
Liter 5.3
Make BUICK
Model LACROSSE
Submodel SUPER

Application Notes	The use of lower profile car manifolds on trucks, vans and SUV's may require the changing of front drive accessories, throttle bodies, fuel rails and injectors.
Beginning Year	2004
CC	5328
CID	325
Ending Year	2004
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Engine Size	5.3L/325
Engine Type	V8
Engine VIN Code	P
Liter	5.3
Make	BUICK
Model	RAINIER
Submodel	CXL

Application Notes	The use of lower profile car manifolds on trucks, vans and SUV's may require the changing of front drive accessories, throttle bodies, fuel rails and injectors.
Beginning Year	2005
CC	5328
CID	325
Ending Year	2007
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Engine Size	5.3L/325
Engine Type	V8
Engine VIN Code	M
Liter	5.3
Make	BUICK
Model	RAINIER
Submodel	CXL

Application Notes	The use of lower profile car manifolds on trucks, vans and SUV's may require the changing of front drive accessories, throttle bodies, fuel rails and injectors.
Beginning Year	2004
CC	5328
CID	325
Ending Year	2004
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Engine Size	5.3L/325
Engine Type	V8
Engine VIN Code	P
Liter	5.3
Make	BUICK
Model	RAINIER
Submodel	CXL PLUS

Application Notes	The use of lower profile car manifolds on trucks, vans and SUV's may require the changing of front drive accessories, throttle bodies, fuel rails and injectors.
Beginning Year	2005
CC	5328
CID	325
Ending Year	2005
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Engine Size	5.3L/325
Engine Type	V8
Engine VIN Code	M
Liter	5.3
Make	BUICK
Model	RAINIER
Submodel	CXL PLUS

Application Notes	The use of lower profile car manifolds on trucks, vans and SUV's may require the changing of front drive accessories, throttle bodies, fuel rails and injectors.
Beginning Year	2002
CC	5328
CID	325
Ending Year	2005
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Engine Size	5.3L/325
Engine Type	V8
Engine VIN Code	T
Liter	5.3
Make	CADILLAC
Model	ESCALADE
Submodel	BASE

Beginning Year 1997
Ending Year 2004
Engine Family Chevy small block Gen III/IV (LS-based engines)
Engine Size 5.7L/350
Engine Type V8
Make CHEVROLET
Beginning Year 1999
Ending Year 2007
Engine Family Chevy small block Gen III/IV (LS-based engines)
Engine Size 6.0L/364
Engine Type V8
Make CHEVROLET
Beginning Year 1999
Ending Year 2014
Engine Family Chevy small block Gen III/IV (LS-based engines)
Engine Size 5.3L/325
Engine Type V8
Make CHEVROLET
Beginning Year 1999
Ending Year 2017
Engine Family Chevy small block Gen III/IV (LS-based engines)
Engine Size 4.8L/294
Engine Type V8
Make CHEVROLET

Application Notes	The use of lower profile car manifolds on trucks, vans and SUV's may require the changing of front drive accessories, throttle bodies, fuel rails and injectors.
Beginning Year	2002
CC	5328
CID	325
Ending Year	2005
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Engine Size	5.3L/325
Engine Type	V8
Engine VIN Code	T
Liter	5.3
Make	CHEVROLET
Model	AVALANCHE 1500
Submodel	BASE

Application Notes	The use of lower profile car manifolds on trucks, vans and SUV's may require the changing of front drive accessories, throttle bodies, fuel rails and injectors.
Beginning Year	2005
CC	5328
CID	325
Ending Year	2005
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Engine Size	5.3L/325
Engine Type	V8
Engine VIN Code	Z
Liter	5.3
Make	CHEVROLET
Model	AVALANCHE 1500
Submodel	BASE

Application Notes	The use of lower profile car manifolds on trucks, vans and SUV's may require the changing of front drive accessories, throttle bodies, fuel rails and injectors.
Beginning Year	2005
CC	5328
CID	325
Ending Year	2006
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Engine Size	5.3L/325
Engine Type	V8
Engine VIN Code	T
Liter	5.3
Make	CHEVROLET
Model	AVALANCHE 1500
Submodel	LS

Application Notes	The use of lower profile car manifolds on trucks, vans and SUV's may require the changing of front drive accessories, throttle bodies, fuel rails and injectors.
Beginning Year	2005
CC	5328
CID	325
Ending Year	2006
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Engine Size	5.3L/325
Engine Type	V8
Engine VIN Code	Z
Liter	5.3
Make	CHEVROLET
Model	AVALANCHE 1500
Submodel	LS

Application Notes	The use of lower profile car manifolds on trucks, vans and SUV's may require the changing of front drive accessories, throttle bodies, fuel rails and injectors.
Beginning Year	2005
CC	5328
CID	325
Ending Year	2006
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Engine Size	5.3L/325
Engine Type	V8
Engine VIN Code	T
Liter	5.3
Make	CHEVROLET
Model	AVALANCHE 1500
Submodel	LT

Application Notes	The use of lower profile car manifolds on trucks, vans and SUV's may require the changing of front drive accessories, throttle bodies, fuel rails and injectors.
Beginning Year	2005
CC	5328
CID	325
Ending Year	2006
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Engine Size	5.3L/325
Engine Type	V8
Engine VIN Code	Z
Liter	5.3
Make	CHEVROLET
Model	AVALANCHE 1500
Submodel	LT

Application Notes	The use of lower profile car manifolds on trucks, vans and SUV's may require the changing of front drive accessories, throttle bodies, fuel rails and injectors.
Beginning Year	2002
CC	5328
CID	325
Ending Year	2003
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Engine Size	5.3L/325
Engine Type	V8
Engine VIN Code	T
Liter	5.3
Make	CHEVROLET
Model	AVALANCHE 1500
Submodel	NORTH FACE

Application Notes	The use of lower profile car manifolds on trucks, vans and SUV's may require the changing of front drive accessories, throttle bodies, fuel rails and injectors.
Beginning Year	2002
CC	5328
CID	325
Ending Year	2003
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Engine Size	5.3L/325
Engine Type	V8
Engine VIN Code	T
Liter	5.3
Make	CHEVROLET
Model	AVALANCHE 1500
Submodel	ON ROAD EDITION

Application Notes	The use of lower profile car manifolds on trucks, vans and SUV's may require the changing of front drive accessories, throttle bodies, fuel rails and injectors.
Beginning Year	2003
CC	5328
CID	325
Ending Year	2003
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Engine Size	5.3L/325
Engine Type	V8
Engine VIN Code	T
Liter	5.3
Make	CHEVROLET
Model	AVALANCHE 1500
Submodel	WBH

Application Notes	The use of lower profile car manifolds on trucks, vans and SUV's may require the changing of front drive accessories, throttle bodies, fuel rails and injectors.
Beginning Year	2004
CC	5328
CID	325
Ending Year	2006
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Engine Size	5.3L/325
Engine Type	V8
Engine VIN Code	T
Liter	5.3
Make	CHEVROLET
Model	AVALANCHE 1500
Submodel	Z66

Application Notes	The use of lower profile car manifolds on trucks, vans and SUV's may require the changing of front drive accessories, throttle bodies, fuel rails and injectors.
Beginning Year	2005
CC	5328
CID	325
Ending Year	2006
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Engine Size	5.3L/325
Engine Type	V8
Engine VIN Code	Z
Liter	5.3
Make	CHEVROLET
Model	AVALANCHE 1500
Submodel	Z66

Application Notes	The use of lower profile car manifolds on trucks, vans and SUV's may require the changing of front drive accessories, throttle bodies, fuel rails and injectors.
Beginning Year	2002
CC	5328
CID	325
Ending Year	2006
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Engine Size	5.3L/325
Engine Type	V8
Engine VIN Code	T
Liter	5.3
Make	CHEVROLET
Model	AVALANCHE 1500
Submodel	Z71

Application Notes	The use of lower profile car manifolds on trucks, vans and SUV's may require the changing of front drive accessories, throttle bodies, fuel rails and injectors.
Beginning Year	2005
CC	5328
CID	325
Ending Year	2006
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Engine Size	5.3L/325
Engine Type	V8
Engine VIN Code	Z
Liter	5.3
Make	CHEVROLET
Model	AVALANCHE 1500
Submodel	Z71

Application Notes	The use of lower profile car manifolds on trucks, vans and SUV's may require the changing of front drive accessories, throttle bodies, fuel rails and injectors.
Beginning Year	2013
CC	5328
CID	325
Ending Year	2013
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Engine Size	5.3L/325
Engine Type	V8
Engine VIN Code	0
Liter	5.3
Make	CHEVROLET
Model	AVALANCHE
Submodel	BLACK DIAMOND LS

Application Notes	The use of lower profile car manifolds on trucks, vans and SUV's may require the changing of front drive accessories, throttle bodies, fuel rails and injectors.
Beginning Year	2013
CC	5328
CID	325
Ending Year	2013
Engine Family	Chevy small block Gen III/IV (LS-based engines)
Engine Size	5.3L/325
Engine Type	V8
Engine VIN Code	7
Liter	5.3
Make	CHEVROLET
Model	AVALANCHE
Submodel	BLACK DIAMOND LS