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Hooker Collector Extensions 11230HKR Header Extensions, 3.0 in. 3-Bolt Flange, 3 in. Pipe, Pair

SKU: HOK11230HKR

Header Extensions

Hooker Collector Extensions 11230HKR Header Extensions, 3.0 in. 3-Bolt Flange, 3 in. Pipe, Pair

SKU: HOK11230HKR

Header Extensions
A$529.31
LOW STOCK! Est Ship 4-7 days. In stock at 2 locations (more than 10 available)

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Description

Collector Reducer Extension - 3 in 3-Bolt Inlet to 3 in Outlet - 18 in Long - Gaskets / Hardware Included - Steel - Black Paint - Pair


Data: v2 - Desc: v4.2 - Upd: 2026-11-08 02:44:04

Data: v4.2 - Upd: 2026-11-08 05:55:31

Features

Note for Australian and European Markets

Unless otherwise stated, this product may be engineered for use in Left-Hand Drive vehicles. Steering components, pedals, shifters, linkages, wing mirrors, instrument clusters, panhard rods/traction bars, drag links, brake boosters, brake or clutch lines, accelerator cables, heater cores, some master cylinders and adjacent parts can vary between LHD and RHD configurations. In some models compenents such as windscreen wiper arms, motors and linkages could differ in their size and orientation. Items such as floor mats & dash mats may have differences in their structure around the front row (or padding in different locations). In many cases items are identical depending on the design of the vehicle and part, but may have differing mounts, lengths or bolt patterns. Carefully review the product images and details to ensure suitability for your vehicle, or contact StreetFX support if you are unsure. Returns are not accepted for special order products.

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Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Hooker Headers, Hooker, Hooker (holley), Hooker Blackheart
StreetFX SKU hok11230HKR
SFX Item ID 5013170
Accounting SKU hok-11230HKR
Manufacturer SKU 11230HKR
Manufacturer UPC 700414016368
Alternative References 11230HKR, HKR11230, HKR11230HKR, HOK-11230HKR

Header Collector Extensions, 3.0 in. 3-Bolt Flange, 3 in. Pipe, Pair

Designed for use with 3-bolt collector rings, these 18 in. long Holley collector extensions enable the racer to adjust his torque curve to suit track conditions. These kits contain two extensions, matched gaskets, and six nuts and bolts.

Product Attributes
BrandHooker Headers
Manufacturer's Part Number11230HKR
Part TypeHeader Extensions
Product LineHooker Collector Extensions
UPC700414016368
Collector Diameter (in.)3.00
Pipe Diameter (in.)3.000 in.
Collector Attachment3-bolt flange
Header Extension Length (in.)18.00
Header Extension Offset (in.)None
Oxygen Sensor Bung IncludedNo
TurnoutNo
QuantitySold as a pair.

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