Stainless Steel Exhaust Manifolds And Risers

The exhaust riser has two functions.

Stainless steel exhaust manifolds and risers.

All replacement manifolds for small blocks mercruiser volvo bmw etc. 1 to keep water from backing up into the engine through the exhaust piping and 2 it serves as the device that introduces cooling water into the exhaust exit piping system. A highly polished stainless steel risers comes standard as well as bolts gaskets and fittings. Came with a 1973 ski nautique i bought with a 351 supposably a holman moody engine.

If the riser fails to accomplish either of those jobs successfully the end result is the arrival of uncle big bill on the scene. Stainless steel speed boat manifolds replacements for torco rolco mei in stainless steel 2 and 3 to suit 253 308 holden chevrolet fords etc. Big block 454 chevrolet 460 fords diesels yanmar etc. The risers are cast stainless steel as well as the portion that bolts to the cylinder head is cast stainless steel.

Cosmoska stainless steel exhaust manifold stud nuts bolts kit for polaris sportsman 570 600 700 800 ranger 570 700 800 900 1000 rzr 570 800 900 1000 replace 7518234 8pcs 13 89 13. 89 get it as soon as tue jul 21. Bbc manifolds kits 13 sbc manifolds kits 11 mercury 496 manifold kits 3 500efi 525efi 600efi 700efi sweeper header solution 1 bbc gen iii manifolds risers tailpipes kits 8 risers only bbc sbc 5 stainless marine exhaust gaskets 2. Sb manifolds w stainless steel risers brackets kit.

Hi torque small block exhaust manifolds system feature state of the art design with single wall internal casting that is enclosed in a press formed aluminum jacket creating a fully water cooled manifold. All marine inboard engines have exhaust risers. Comes with gaskets and hardware. The manifolds are stainless steel and ive never seen a set like them.