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FAST LSXR Mid-Range High HP LS3 Assembly

SKU: FST146103B

Intake Manifolds, Fuel Injected

FST Intake Manifolds

FAST LSXR Mid-Range High HP LS3 Assembly

SKU: FST146103B

Intake Manifolds, Fuel Injected

FST Intake Manifolds

A$2,704.73
LAST ONE! Est Ship 3-5 days. LAST ONE! This is the last unit at our distribution centre. Contact us if you need more. The ETA is the approximate time required to prepare your order for dispatch.
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Description

IMPORTANT NOTICE: This model is designed for high horsepower. This is a 3-piece unit designed for Big Mouth 102 mm throttle body or a stock throttle body with adapter. Gaskets not included.

Constructed from the same advanced polymer material as the original FAST LSX 92mm Intake Manifold, but now in the popular black color, the LSXR offers a host of benefits over aluminum aftermarket intakes, including lighter weight, increased strength and improved heat dissipating characteristics.

Product Overview

Constructed from the same advanced polymer material as the original FAST LSX 92mm Intake Manifold, but now in the popular black color, the LSXR offers a host of benefits over aluminum aftermarket intakes, including lighter weight, increased strength and improved heat dissipating characteristics.

Product Details

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:LSXr 102mm High HP Rectangle Port Intake Manifold for LS3/L92
Includes Cylinder Head to Intake Port Seals:No
Part Number:fst146103B
Title:LSXr 102mm High HP Rectangle Port Intake Manifold for LS3/L92

Part Type

Engine Intake Manifold

Data: v4.2 - Upd: 2026-10-10 18:30:21

Specifications

Product Attributes - Brand
FAST
Product Attributes - Manufacturer's Part Number
146103B
Product Attributes - Part Type
Intake Manifolds, Fuel Injected
Product Attributes - Product Line
FAST LSXR Intake Manifolds
Product Attributes - UPC
00036584314127
Product Attributes - Cylinder Head Configuration
Rectangular Port LS3/L76/L92/L99
Product Attributes - Fuel Injection Style
Multi-port
Product Attributes - Basic Operating RPM Range
1,800-6,000
Product Attributes - Intake Section Included
Complete
Product Attributes - Throttle Body Bore Size
102mm
Product Attributes - Engine Block Deck Height
Standard deck
Product Attributes - Injectors Included
No
Product Attributes - Multi-Port Fuel Rails Included
No
Product Attributes - EGR
Yes
Product Attributes - Aftermarket Fuel Rail Required
No
Product Attributes - Throttle Body Included
No
Product Attributes - Supplemental Bosses Cast-In
Yes
Product Attributes - Supplemental Bosses Machined
No
Product Attributes - Supplemental Boss Quantity
Eight
Product Attributes - Runners Included
Yes
Product Attributes - Runners Removable
Yes
Product Attributes - Plenum Material
Plastic
Product Attributes - Plenum Finish
Black
Product Attributes - Base Material
Plastic
Product Attributes - Base Color
Black
Product Attributes - Remanufactured
No
Product Attributes - Quantity
Sold individually.
Product Attributes - Notes
This model is designed for high horsepower. This is a 3-piece unit designed for Big Mouth 102 mm throttle body or a stock throttle body with adapter. Gaskets not included.

Reference Information

Brand Name/s Fast
StreetFX SKU fst146103B
SFX Item ID 4084484
Supplier Item Code 4084484
Manufacturer SKU 146103B
Manufacturer UPC 36584385745
Alternative References LS3

Brochures

Compatibility

Application Data
  • MakeCHEVROLET
    Beginning Year2005
    Ending Year2019
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.0L/364
  • MakeCHEVROLET
    Beginning Year2008
    Ending Year2017
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.2L/376

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