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FAST Replacement LSXR High HP Intake Manifold Runner Set

MPN: 146070 Catalog #: 001133790 Category: Intake Manifold Plenum Check Vehicle Fitment

Product Details

These high horsepower design intake runners fit in our LS3 102mm intake manifolds. Provide excellent mid-range and high rpm horsepower for modified street/track oriented vehicles.

See 146103B for a complete manifold that is equipped with High HP runners. For LS3 cars only.

High HP Runner Set for Rectangle Port LSXr 102mm Intake Manifold

FAST Replacement LSXR High HP Intake Manifold Runner Set

High Horsepower and Race versions of the LSXR

High HP Runner Set for LS3 LSXr 102

Engine Intake Manifold Runner

HP Runners LS3 102

No

Intake Runners - High HP - Composite - Gray - Fast LSXRT Intake - GM LS-Series - Set of 8

Vehicle Fitment

Universal or product-specific fitment. Please review the product details and contact us if you need help confirming fitment before ordering.

Engine Compatibility

GM - LSMatched variant: LS

GM Gen III/IV V8; LS1/LS2/LS3/LS6/LS7/LS9/LSA/LSX

Fitment note: Engine compatibility is provided as a guide. Please verify all fitment details before ordering.

Product Specs

Brand
FAST
Part Number
146070
Catalog Number
001133790
Product Line
FAST Replacement Runners
Category
Engines & Parts
Type
Intake Manifold Plenum
UPC / Barcode
36584310532
Vendor Product Category
Engine Components
Vendor Product Subcategory
Intake Manifold Plenum
Length
17.70 in
Width
10.50 in
Height
6.80 in
Weight
4.20 lb
Units Per SKU
1
Freight / LTL
No
Ship Alone
No
Air Restricted
No
Prop 65
Unknown
CARB Approved
No
Clearance Item
No

Shipping & Availability

Current status 80 Available - Ready to ship
Estimated timing Usually ships within 24hrs

This item is showing available inventory. Most in-stock performance parts ship quickly, but timing can vary by warehouse, vendor cut-off time, holidays, and carrier pickup.

STATE RESTRICTIONS: This item is not CARB approved and can not ship to California.

PROP 65 WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Inventory shown: 80 available as of 6/3/2026.

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