Normally Ships in 7-10 Days. Rush proccessing is available on Mallory items: See here.
Cylinder Head Gasket
Replaces: OMC / Volvo 3853380, Mercruiser 27-75611
For: SB Chev 5.0L, 5.7L, 305, 650, 1968 & newer
Our outdrive mounting gaskets are more tear resistant than the OEM and other aftermarket competitors and feature our exclusive “anti-stick” coating for easy removal the next time they need replaced.
O2 Spacer, Stock Mercury Riser
This Unique 1" thick adapter plate provides an installation option for retro fitting a Oxygen sensor and or air fuel ratio gauge for tuning purposes Into Mercruisers most common Wet Joint style exhaust manifold systems. The part is CNC machined from 6061 Billet Aluminum then Naval Spec Hard Coat anodized for corrosion resistance (Beware of inferior non-coated versions)
A unique feature of this adapter is the cooling parts that run along each side of the sensor maintaining consistent temperature of the spacer. Designed to accept all popular 18MM O2 Oxygen sensors.