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• Spacer block with hardware and gaskets
• Fits Rectangular base center rise manifolds

Stainless Restriction kit for Raw Water applications, 1-0106PKG

• For Raw Water Cooled applications
• Comes with gaskets

1800 series elbow, 70° 2 3/8" hose for flange RA / RB

Exhaust Manifold - Small Block Ford V8, FLCR818

• Fits 221, 255, 260, 289, 302, and 351 CID Ford small block V8 engines



• Fits both sides of engine



• Use mounting kit FLCR-MK

Exhaust Manifold - Small Block GM V8, CVCR818

• Fits 265, 283, 305, 307, 327, 350, and 400 CID GM small block V8 engines



• Fits both sides of engine



• Use mounting kit CVCR-MK

Exhaust Manifold Adaption End Plate, BE

• 2-1/2" threaded



• Used to adapt "B" style manifolds to the Osco Motors 1800 series elbows

Exhaust Manifold End Plate

• Circular flange
• Used to adapt "A" style manifolds to the Osco Motors 1800 series

Exhaust Manifold Adaption End Plate, RB

• Circular flange



• Used to adapt "B" style manifolds to the Osco Motors 1800 series elbows

Exhaust Manifold Assembly - Chevy V8 W/BW or BE Adaption

• Fits Chevy 283, 305, 307, 327, 350 and 400 Cu. in. engines



• Assembly option 1: Includes end plates BW and BE, 2 BG gaskets, end plate and m

Exhaust Manifold Assembly - Ford V8 W/AE or RA Adaption

• Fits Ford 221, 260, 289, and 302 Cu. in.
• Do not use on 351 cu. in.
• Assembly option 1: Includes end plates AW and AE, 2 AG gaskets, end plate

Exhaust Manifold Assembly - Ford V8 W/BW or BE Adaption

• Fits Ford 351C and 400 Cu. in. (Cleveland) engines
• Will not fit Windsor engines



• Assembly option 1: Includes end plates BW and BE, 2

Exhaust Manifold Conversion Front Plate, BW

• For 1/2" pipe fittings



• Fits "B" style manifolds

Exhaust Manifold Gasket

• End plate gasket
• FIts both ends of "A" style manifolds

Exhaust Manifold Lower Elbow

• Lower elbow included in Osco Motors # 1812-8 Riser assembly

Exhaust Manifold Mounting Kit, CRR-MK

• Fits Osco CRR-1 and CRR-1 risers and CRR-14S spacer



• For raw water cooled manifolds

Includes CRR-G gasket and mounting hardware

Exhaust Manifold Mounting Kit, CRR-MK-FW

• Fits Osco CRR-1 and CRR-1 risers and CRR-14S spacer



• For closed cooled or recirculated manifolds

Includes CRR-G-FW gasket and mountin

Exhaust Manifold Mounting Kit, CVCR-MK

• Fits Osco Motors # CVCR81 manifold



• Includes Osco Motors # CV-GH gasket and mounting hardware

Exhaust Manifold Mounting Kit, GM 396-427-454, CWCR-MK

• Fits Osco Motors # CWCR818 manifold for GM big block V8, 396-427-454



• Includes Osco Motors # CW-GH gasket and mounting hardware

Exhaust Manifold Mounting Kit, FLCR-MK

• Fits Osco Motors # FLCR818 manifold



• Includes Osco Motors # FL-GH gasket and mounting hardware

Exhaust Manifold Riser 90° short Elbows

• Style 52A: 2-3/8" outlet 90° elbow



• Style 525A: 3" outlet 90° elbow

Exhaust Manifold Riser 90° long Elbow

• Style 52B: 2-3/8" outlet 90° elbow



• Style 525B: 3" outlet 90° elbow

Exhaust Manifold Riser Straight Connector Elbow

• 2-3/8" Outlet

Exhaust Manifold Riser Gasket, RG

• Included in 1800-K

Exhaust Manifold Mounting Kit

• Fits Osco Motors 1800 series risers
• Includes 2 Osco Motors RC1817 riser clamps, RG gasket, and mounting hardware

Exhaust Manifold Water Pipe

• Fits Osco Motors 1800 series conversion manifold risers

Exhaust Manifold Riser, 3" Outlet, CRR-3

• 3" exhaust outlet, 30° down angle
• Fits OSCO 818 series exhaust manifolds



• Use mounting kit CRR-MK or CRR-MK-FW

Exhaust Manifold Stainless Plate, CRR-G-SP

• Use with two CRR-G gaskets



• Blocks water flow from manifold to riser or spacer

Exhaust Manifold to Riser Gasket, CRR-G-FW

• Riser to manifold gasket

• Blocks cooling water from passing from manifold to riser or spacer

• Fits Osco's 3" CRR-2 riser

Chris-Craft Cooling System - Exhaust Manifold

Exhaust Elbow

Exhaust Elbow Adapter

• Elbow Adapter, 3" OD on both ends, Includes 6" piece of 3" exhaust hose and clamps

Riser - Block Off Gasket Risers 18-1939, 18-1999, 18-1907

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