Barr Marine

Direct replacement exhaust manifold.

Replaces OMC 980083/980460/980957/982490.

Fits OMC 4 cylinder 181 C.I.D. 140 H.P. 3.0 liter, Model 140 engine (log style direct replacement).

Barr Marine castings have a thicker interior wall, are painted to match original manufacturer colors and are packed in foam for added protection during shipping and storage. Barr manifolds and exhaust connectors are designed to minimize back pressure, and in many cases more r.p.m.'s are achieved after replacing an OEM manifold with Barr replacement parts.

• Replaces OMC part #'s 998083, 980460, 980957 and 982490.
• Includes all plugs, gaskets and mounting hardware to the cylinder head.
• 3 year limited warranty on Barr exhaust manifolds, risers and exhaust connectors (1 year when used for commercial purposes).

Compatible parts:

• OMC-20-910380 direct repalcement exhaust elbow.
• 1-910384 direct replacement front end cap.
• OMC-1-984054P exhaust manifold mounting package.
• OMC-20-910380P exhaust riser mounting package.
• OMC47-311121 exhaust manifold to elbow and end cap gasket.
• OMC47-908013 adaptor plate (OMC-20-908014) to riser (OMC-20-910380) gasket.

Manufactured by Barr Marine. Part number OMC-1-984054.

Adaptor plate (OMC-20-908014) to riser (OMC-20-910380) gasket.

Replaces Mallory 9-65100, Sierra 18-2875 and GLM 33770.

Fits these applications:

• OMC 4 cylinder 153 C.I.D. 120 H.P. 2.5 liter, Model 120 engine (log style direct replacement).
• OMC 4 cylinder 181 C.I.D. 140 H.P. 3.0 liter, Model 140 engine (log style direct replacement).
• OMC (Volvo) 4 cylinder 181 C.I.D. 140 H.P. 3.0 liter, all carbureted models with Vortec style head (log style direct replacement).

• The stainless steel restrictor plate is only used in some applications. If you are not sure if the plate is used, please consult your OEM. Two gaskets are required when using the plate (one on each side of the plate).

Compatible parts:

• OMC-1-3858850 direct replacement exhaust manifold.
• OMC-1-981462 direct replacement water cooled exhaust manifold.
• OMC-1-982657 direct replacement water cooled exhaust manifold. Manifold has the heat source in the exhaust port for automatic choke.
• OMC-1-984054 direct replacement exhaust manifold.
• OMC-20-3862603 direct repalcement exhaust manifold.
• OMC-20-908014 exhaust manifold to riser adaptor for use with OMC riser part #'s 980188 and 910380.
• OMC-20-910380 direct repalcement exhaust elbow.
• OMC-20-980536 direct replacement exhaust riser.

Manufactured by Barr Marine. Part number OMC47-908013.

Exhaust elbow to hose adaptor gasket.

Fits OMC 4 cylinder 153 C.I.D. 120 H.P. 2.5 liter, Model 120 engine (log style direct replacement).

Compatible parts:

• OMC-1-981462 direct replacement water cooled exhaust manifold.
• OMC-1-982657 direct replacement water cooled exhaust manifold. Manifold has the heat source in the exhaust port for automatic choke.
• OMC-20-908014 exhaust manifold to riser adaptor for use with OMC riser part #'s 980188 and 910380.
• OMC-20-910380 direct repalcement exhaust elbow.
• OMC-20-980536 direct replacement exhaust riser.

Manufactured by Barr Marine. Part number OMC47-907764.

OMC replacement gasket.

Manufactured by Barr Marine. Part number OMC47-907932.

Manifold to cylinder head mounting package.

Fits these applications:

• Flagship V8 283, 327 and 350 C.I.D. (log style generic).
• OMC V8 283, 305, 307 and 350 C.I.D., Models 210, 215, 225, 235 and 245 H.P. (log style generic).

Compatible parts:

• OF-1-60L water cooled end discharge port manifold to fit the small block Chevrolet (1/2" N.P.T. cooling hose connections). All years.
• OF-1-60R water cooled end discharge starboard manifold to fit the small block Chevrolet (1/2" N.P.T. cooling hose connections). All years.
• 20-0000 swivel-type high discharge exhaust riser; 8 1/2" riser protection. Requires (1) mounting hardware kit #20-0002P per riser.
• 20-0031 swivel-type 90 degree exhaust elbow connector with internal water discharge. Accepts 2 1/2" to 3" I.D. exhaust hose.
• 20-0039 fully jacketed swivel-type exhaust riser; 7" riser protection. Requires (2) mounting hardware kits #20-0002P ((1) kit to mount riser to manifold and (1) kit to mount elbows #20-0034 or #20-0035 to riser).
• 20-0055 swivel-type 30 degree exhaust elbow connector; fully jacketed. Accepts 2 1/2" or 3" I.D. exhaust hose.

Manufactured by Barr Marine. Part number OF-1-60F-P.

Exhaust elbow mounting package.

Fits OMC (Ford) V8 302 and 351 C.I.D., Models 170, 175, 190 and 235 H.P. (direct replacement).

Manufactured by Barr Marine. Part number OMC-20-980617P.

Exhaust manifold to cylinder head gasket.

Replaces Mallory 9-61420.

Fits OMC (Ford) V8 302 and 351 C.I.D., Models 170, 175, 190 and 235 H.P. (direct replacement).

Manufactured by Barr Marine. Part number OMC47-908717.

Hook up package; may be required for connection to stern drive units (exhaust hose and clamps not included).

Fits OMC (Ford) V8 302 and 351 C.I.D., all models (center riser generic).

Compatible parts:

• FM-1-83 water cooled center discharge manifold to fit the small block Ford engine (3/4" N.P.T. cooling hose connections). All years.
• 20-0082 water cooled center discharge riser (3/4" N.P.T. cooling hose connection). Standard for use with 3" I.D. exhaust hose.
• 20-0100 water cooled center discharge riser (3/4" N.P.T. cooling hose connection). Standard for use with 4" I.D. exhaust hose.
• 20-0097 3" spacer block (complete with mounting hardware, gasket and 3/4" pipe plug). Capable of stacking.

Manufactured by Barr Marine. Part number OMC-20-0000P.

OMC lower thermosat housing.

Manufactured by Barr Marine. Part number OMC-29-910303.

RISER MOUNTING PACKAGE for the OMC-20-980536 exhaust elbow

Manufactured by Barr Marine. Part number OMC-20-980536P.

OMC thermostat housing.

Manufactured by Barr Marine. Part number OMC-29-908216.

Upper thermostat housing for OMC V6 and V8 engines.

Manufactured by Barr Marine. Part number OMC-29-314810.

Complete Barr Marine exhaust kit for the OMC V8 225, 245HP (log style). Everything listed below is included in this kit, so the complete exhaust setup can be ordered under one part number.

Kit includes:

• (1) OMC-1-979760 port and (1) OMC-1-979761 starboard OMC V8 225, 245HP Log Exhaust Manifolds. Direct replacement exhaust manifold. Includes all plugs, gaskets and mounting hardware to the cylinder head. Port replaces OMC 979760. Starboard replaces OMC 979761.
• (2) OMC-20-981281 OMC V8 225, 245HP Log Exhaust Elbow. Direct replacement exhaust elbow. Includes plugs, gasket and mounting hardware to mount to the manifold. Replaces OMC 981281.

Fits OMC V8 283, 305, 307 and 350 C.I.D., Models 225 and 245 H.P. (log style direct replacement).

Barr Marine castings have a thicker interior wall, are painted to match original manufacturer colors and are packed in foam for added protection during shipping and storage. Barr manifolds and exhaust connectors are designed to minimize back pressure, and in many cases more r.p.m.''s are achieved after replacing an OEM manifold with Barr replacement parts.

• 3 year limited warranty on Barr exhaust manifolds, risers and exhaust connectors (1 year when used for commercial purposes).

Compatible parts:

• 1-312149 direct replacement exhaust manifold front end cap/connector(starboard side). End cap has extra hole drilled for choke stove.
• OMC-1-9797P end cap and exhaust elbow stud package.
• OMC-20-981281P exhaust elbow mounting package.
• OMC47-311130 direct replacement exhaust manifold end cap/connector gasket (not to be used between elbow and manifold).
• OMC47-909314 exhaust manifold to cylinder head gasket.

Composite kit picture shown is for reference only. See list of included parts above in the description.

Exhaust elbow mounting package.

Fits OMC V8 283, 305, 307 and 350 C.I.D., Models 225 and 245 H.P. (log style direct replacement).

Compatible parts:

• OMC-1-979760 direct replacement exhaust manifold (port side).
• OMC-1-979761 direct replacement exhaust manifold (starboard side).
• OMC-20-981281 direct replacement exhaust elbow.

Manufactured by Barr Marine. Part number OMC-20-981281P.

End cap and exhaust elbow stud package.

Fits OMC V8 283, 305, 307 and 350 C.I.D., Models 225 and 245 H.P. (log style direct replacement).

Compatible parts:

• OMC-1-979760 direct replacement exhaust manifold (port side).
• OMC-1-979761 direct replacement exhaust manifold (starboard side).
• OMC-20-981281 direct replacement exhaust elbow.

Manufactured by Barr Marine. Part number OMC-1-9797P.

Direct replacement exhaust manifold end cap/connector gasket (not to be used between elbow and manifold).

Fits OMC V8 283, 305, 307 and 350 C.I.D., Models 225 and 245 H.P. (log style direct replacement).

Compatible parts:

• OMC-1-979760 direct replacement exhaust manifold (port side).
• OMC-1-979761 direct replacement exhaust manifold (starboard side).
• OMC-20-981281 direct replacement exhaust elbow.

Manufactured by Barr Marine. Part number OMC47-311130.

Direct replacement exhaust elbow.

Replaces OMC 981281.

Fits OMC V8 283, 305, 307 and 350 C.I.D., Models 225 and 245 H.P. (log style direct replacement).

Barr Marine castings have a thicker interior wall, are painted to match original manufacturer colors and are packed in foam for added protection during shipping and storage. Barr manifolds and exhaust connectors are designed to minimize back pressure, and in many cases more r.p.m.'s are achieved after replacing an OEM manifold with Barr replacement parts.

• Replaces OMC part #'s 907776 and # 907777.
• Includes plugs, gasket and mounting hardware to mount to the manifold.
• 3 year limited warranty on Barr exhaust manifolds, risers and exhaust connectors (1 year when used for commercial purposes).

Compatible parts:

• OMC-1-979760 direct replacement exhaust manifold (port side).
• OMC-1-979761 direct replacement exhaust manifold (starboard side).
• 1-312149 direct replacement exhaust manifold front end cap/connector(starboard side). End cap has extra hole drilled for choke stove.
• OMC-1-9797P end cap and exhaust elbow stud package.
• OMC-20-981281P exhaust elbow mounting package.
• OMC47-311130 direct replacement exhaust manifold end cap/connector gasket (not to be used between elbow and manifold).
• OMC47-909314 exhaust manifold to cylinder head gasket.

Manufactured by Barr Marine. Part number OMC-20-981281.

Direct replacement exhaust manifold (port side).

Replaces OMC 979760.

Fits OMC V8 283, 305, 307 and 350 C.I.D., Models 225 and 245 H.P. (log style direct replacement).

Barr Marine castings have a thicker interior wall, are painted to match original manufacturer colors and are packed in foam for added protection during shipping and storage. Barr manifolds and exhaust connectors are designed to minimize back pressure, and in many cases more r.p.m.'s are achieved after replacing an OEM manifold with Barr replacement parts.

• Replaces OMC part # 979760.
• Includes all plugs, gaskets and mounting hardware to the cylinder head.
• 3 year limited warranty on Barr exhaust manifolds, risers and exhaust connectors (1 year when used for commercial purposes).

Compatible parts:

• OMC-1-979761 direct replacement exhaust manifold (starboard side).
• OMC-20-981281 direct replacement exhaust elbow.
• 1-312149 direct replacement exhaust manifold front end cap/connector(starboard side). End cap has extra hole drilled for choke stove.
• OMC-1-9797P end cap and exhaust elbow stud package.
• OMC-20-981281P exhaust elbow mounting package.
• OMC47-311130 direct replacement exhaust manifold end cap/connector gasket (not to be used between elbow and manifold).
• OMC47-909314 exhaust manifold to cylinder head gasket.

Manufactured by Barr Marine. Part number OMC-1-979760.

Direct replacement exhaust manifold (starboard side).

Replaces OMC 979761.

Fits OMC V8 283, 305, 307 and 350 C.I.D., Models 225 and 245 H.P. (log style direct replacement).

Barr Marine castings have a thicker interior wall, are painted to match original manufacturer colors and are packed in foam for added protection during shipping and storage. Barr manifolds and exhaust connectors are designed to minimize back pressure, and in many cases more r.p.m.'s are achieved after replacing an OEM manifold with Barr replacement parts.

• Replaces OMC part #979761.
• Includes all plugs, gaskets and mounting hardware to the cylinder head.
• 3 year limited warranty on Barr exhaust manifolds, risers and exhaust connectors (1 year when used for commercial purposes).

Compatible parts:

• OMC-1-979760 direct replacement exhaust manifold (port side).
• OMC-20-981281 direct replacement exhaust elbow.
• 1-312149 direct replacement exhaust manifold front end cap/connector(starboard side). End cap has extra hole drilled for choke stove.
• OMC-1-9797P end cap and exhaust elbow stud package.
• OMC-20-981281P exhaust elbow mounting package.
• OMC47-311130 direct replacement exhaust manifold end cap/connector gasket (not to be used between elbow and manifold).
• OMC47-909314 exhaust manifold to cylinder head gasket.

Manufactured by Barr Marine. Part number OMC-1-979761.

Exhaust manifold to cylinder head gasket.

Replaces GLM 31100.

Fits these applications:

• OMC V8 283, 305, 307 and 350 C.I.D., Models 210, 215, 225, 235 and 245 H.P. (log style generic).
• OMC V8 283, 305, 307 and 350 C.I.D., Models 225 and 245 H.P. (log style direct replacement).
• OMC V8 283, 305, 307 and 350 C.I.D., Models 185, 200, 225, 230 and 260 H.P. (log style direct replacement).
• OMC V8 5.7L Cobra, all models (center riser direct replacement).
• Volvo V8 5.7L Cobra (center riser direct replacement).

Compatible parts:

• OF-1-60L water cooled end discharge port manifold to fit the small block Chevrolet (1/2" N.P.T. cooling hose connections). All years.
• OF-1-60R water cooled end discharge starboard manifold to fit the small block Chevrolet (1/2" N.P.T. cooling hose connections). All years.
• OMC-1-912441 direct replacement exhaust manifold (starboard side).
• OMC-1-912442 direct replacement exhaust manifold (port side).
• OMC-1-914035 direct replacement exhaust manifold.
• OMC-1-979760 direct replacement exhaust manifold (port side).
• OMC-1-979761 direct replacement exhaust manifold (starboard side).
• 20-0031 swivel-type 90 degree exhaust elbow connector with internal water discharge. Accepts 2 1/2" to 3" I.D. exhaust hose.
• 20-0055 swivel-type 30 degree exhaust elbow connector; fully jacketed. Accepts 2 1/2" or 3" I.D. exhaust hose.
• OMC-20-913784 direct replacement exhaust riser/ elbow.
• OMC-20-981281 direct replacement exhaust elbow.
• OMC-20-982680 direct replacement exhaust riser/ elbow.
• VO-20-3862627 direct replacement exhaust riser/ elbow 11.3 "New style tall one piece".

Manufactured by Barr Marine. Part number OMC47-909314.