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Proflow  |  SKU: PFECHD007

Proflow Cylinder Head, Ford Thermactor Port, Threaded Insert, Accessory Bush, 5/8-11 od To 7/16-14 id, Steel, Black Oxide, Each - PFECHD007

Regular price $6.80 NZD + GST
Shipping calculated at checkout.

Description

Part Number: PFECHD007

Proflow Small Block Ford Thermactor Inserts

These small block Ford thermactor inserts are designed to thread into your heads to change the thread size. These inserts thread right into the existing cylinder head thermsctor  ports to allow use of the factory accessory drive bolts.

Also required for many aftermarket cylinder heads to reduce from 5/8 thread down to 7/16 for mounting factory accessories,  eg:AFR-1422

4x required to make a complete kit

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