Granatelli 4in-3in Silicone Reducer Sleeve w/Clamps

SKU: GMS400B300X

Tubing Couplers

GMS Silicone Reducers...

Granatelli 4in-3in Silicone Reducer Sleeve w/Clamps

Granatelli Motor Sports

Granatelli 4in-3in Silicone Reducer Sleeve w/Clamps

SKU: GMS400B300X

Tubing Couplers

GMS Silicone Reducers...

Available from MFR. This item is available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical order processing and release times for this part. This item is not held in our own warehouse, and actual dispatch timing may vary depending on manufacturer workload and logistics at the time of ordering.

We accept

Description

Granatelli silicone coupling adapters feature extra-thick 3/16 in. walls that won't collapse under high intake pressure. This virtually eliminates the chance of hose blockage and improves overall performance. They are available in a variety of sizes and colors to match your engine compartment. Give your engine a unique look with one of these Granatelli silicone coupling adapters.

Product Overview

All Ford, 4"-3" Reducer Sleeve Asm, (1) Sleeve (1) 1052 Clamp (1) 1060 Clamp.

Product Details

Description:	Granatelli 4in-3in Silicone Reducer Sleeve w/Clamps
Part Number:	gms400B300X
Prop 65 (C, R or CR):	CR
Prop 65 - Short Label:	prop65_warning.jpg
Prop 65 Yes/No:	Yes
Title:	Granatelli Reducer Sleeve Asm

Part Type

Tubing Couplers

Data: v4.2 - Upd: 2026-10-13 20:44:45

Specifications

Product Attributes - Brand: Granatelli Motor Sports
Product Attributes - Manufacturer's Part Number: 400B300X
Product Attributes - Part Type: Tubing Couplers
Product Attributes - Product Line: Granatelli Motor Sports Silicone Coupling Adapters
Product Attributes - UPC: 802735009026
Product Attributes - Tubing Coupler Inlet Diameter (in.): 4.00
Product Attributes - Tubing Coupler Outlet Diameter (in.): 3.00
Product Attributes - Tubing Coupler Type: Straight
Product Attributes - Tubing Coupler Material: Silicone
Product Attributes - Tubing Coupler Finish: Black
Product Attributes - Tubing Coupler Length (in.): 3.00
Product Attributes - Quantity: Sold as a kit.
Product Attributes - Notes: Includes one 3.5 in. stainless clamp and one 4 in. stainless steel clamp.

Reference Information

Brand Name/s	Granatelli Motor Sports
StreetFX SKU	gms400B300X
SFX Item ID	4494173
Supplier Item Code	4494173
Manufacturer SKU	400B300X
Manufacturer UPC	802735009026
Alternative References	grn-400b300x, 4in-3in