Hedman Header Gasket - 1.75 in. Round Port Hose Support Spring the 8" booster is 5-1/2"

the 8" booster is 5-1/2" deep

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Mounts anywhere space permits

Long Shoulder

Hedman Header Gasket - 1.75 in. Round Port Hose Support Spring the 8" booster is 5-1/2"Hedman Hedders Hedder Flange Gaskets For Chevy 396 454 1 3 4" Tubes Hedman Hedder flange gaskets have been formulated and designed specifically for use with Hedman Hedders. The malleable properties of our special gasket material works in synch with the sealing rings around the ports on our head flange, to ensure a secure seal. Hedman Hedders Exhaust Hedder Gasket 27530 1. 75 in. Round Port Made w Special Material Developed For Hedman Made To Be Exact