Crusader Marine exhaust manifolds, risers, elbows
Osco Manifolds and Risers Since 1932
THREE YEAR LIMITED WARRANTY
OSCO Motors Co. has been in the business of providing boaters with a high quality, reasonable cost alternative to original manufacturer's equipment. OSCO’s marine exhaust systems are made in the USA with pride. We deal directly with the most skilled iron foundries in the USA. All design, machining and processing is done at OSCO’s manufacturing facility in Hatfield, Pennsylvania.

We also have a complete line of Barr Crusader Manifolds and RisersClick Here
CRUSADER Manifolds GM Big Block 454 Model CH350 & 454XL Osco
Crusader Manifolds GM Big Block V8 454 cu.in-Models 454XL, & 502XL. Center Riser Style
Crusader Manifolds GM Small Block V8 305 - 350 cu.in-Models CM305, CM350XL, & CM350HT. Center Rise
CRUSADER Manifolds GM Small Block V8 305-350 Osco 220/270 Hp