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Gray Marine Direct Replacement Manifolds by Barr

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Gray Marine 4 and 6 Cylinder In-Line Models

GENERIC

Part Number and Description


GR-1-162 Water cooled exhaust manifold to fit The 4-cylinder models 620, 4-60 and 70. Use with OEM risers, elbow connectors or replace with Barr products.

GR-1-175 Water cooled exhaust manifold to fit the 4-cylinder models 4-75, 4-85 and 80. Use with OEM risers, elbow connectors or replace with Barr products.

GR-1-226 Water cooled exhaust manifold to fit the 6-cylinder 226 C.I.D. models. Use with OEM riser, elbow connectors or replace with Barr products.

GR-1-0001 Exhaust end plate flange (threaded for 2" female N.P.T.).

Gray Marine V8-401 C.I.D. 280 H.P.


ALL MODELS DIRECT REPLACEMENT

Part Number and Description


GR-1-6470L Water cooled exhaust manifold (port side) to fit the 401 Buick. Includes

20-0000 Swivel-type high discharge exhaust

riser; 8 1/2" riser protection. Requires (1) mounting hardware kit #20-0002P per riser. Use only with 2-7/8" to 3" I.D. exhaust hose.

20-0002P Mounting hardware kit (Barr style riser/elbows only).

20-0034 or 20-0035 Exhaust connector #20-0035 (for 2-1/2" I.D. exhaust hose) or exhaust connector #20-0034 (for 3" I.D. exhaust hose). Connects to #20-0039 using (1) #20-0002P per connector.

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. Re-quires (1) mounting hardware kit