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FAST

FAST Replacement Inner Seal For LS

MPN: 146005 Catalog #: 001133463 Category: Intake Manifold Plenum Check Vehicle Fitment

Product Details

This intake manifold gasket ensures a proper seal between the upper and lower shells on our 102mm LSXR and LSXRT intake manifolds.

See 146006-1 or 146006-8 for intake runner to intake manifold seals.

See 54022 for LSX 90 and 92mm intake manifold applications.

LSXR/LSXRT Upper to Lower Shell Intake Manifold Seal

Replacement Inner Seal, for LS Xr and LSXrT

Engine Intake Manifold Venturi O-Ring

FAST Replacement Inner Seal For LS

See 146004 for throttle body seal.

LSXR/RT Upper to Lower Shell Seal

Mnfld Venturi ORing

LSXR/RTShellSeal

Intake Manifold Gasket - Upper Intake Seal - Rubber - Orange - LSXR / LSXRT Intakes - GM LS-Series - Each

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
146005
Catalog Number
001133463
Product Line
FAST Seals
Category
Engines & Parts
Type
Intake Manifold Plenum
UPC / Barcode
036584201847
Vendor Product Category
Engine Components
Vendor Product Subcategory
Gasket Kits
Length
3.90 in
Width
2.80 in
Height
2.10 in
Weight
0.13 lb
Units Per SKU
1
Freight / LTL
No
Ship Alone
No
Air Restricted
No
Prop 65
Y
CARB Approved
No
Clearance Item
No

Shipping & Availability

Current status 101 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: 101 available as of 6/4/2026.

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