NEW OEM MerCruiser 3 inch spacer kit

Exhaust riser kit 93320A13 is for use on MerCruiser V-6 TBI stern drive engines with 2-piece exhaust manifolds (serial number 0M614999 and below). Will also fit on MerCruiser stern drive and inboard tow sports V-8 engines with 305, 350, 377, 454 and 502 CID with cast iron exhaust manifold elbows (serial number 0M299999 and below) , MerCruiser V-8 carbureted engines with 305 and 350 CID (serial number 0M 300000 through 0M599999) and MerCruiser inboard and tow sports carbureted engines (serial number 0M300000 through 0M316999). See your owner's manual or service manual for specific application and instructions.

ONLY WORKS WITH 4" ELBOWS!

For MerCruiser center riser manifolds for all V6 and all V8 engines from early 80s to 2002

Will not work with dry joint exhaust

Includes everything in the photo:
 • bolts
 • gaskets
 • 3 inch riser blocks
 • nuts and washers