MerCruiser Exhaust Manifold Engine Block Water Drain Petcock Valve 22-16951A1 Blowers & Vents This style doesn't have the

This style doesn't have the hose retainers attached to the physical Flame arrestor

Recoil is tested & working

Cross Pin Retainer Spring 30893

233 MIE FORD 351 V8 1975-1976 4173000 THRU 4775784

Dimensions: Please look at pictures

MerCruiser Exhaust Manifold Engine Block Water Drain Petcock Valve 22-16951A1 Blowers & Vents This style doesn't have theItem Details Works on compatible with most MerCruiser Exhaust System 1 4" NPT Brass. All sorts of stuff, yours should look just like this. I. E. 120hp,140hp,165hp, 170hp 175,190,225,235 & 245 260 305 350 2. 5L 3. 0L 3. 8L V6 4. 3L 5. 0L 5. 7L V8 400 800 etc. Please check your parts manual to confirm, or just send me a message. This style is from the mid 80s or late 70's Parts Included 22 16951A1 22 87238 22 16951T1 (Set of 2 as pictured) Replaces: OMC