IMCO Marine

Bearing Cup (Pinion Bearing)

Bearing Cup (Pinion Bearing)

Bearing Cup (Prop Gear)

Bearing Cup (Vertical Shaft Lower)

Bearing Cup (Vertical Shaft Upper)

Bearing Cup (Vertical Shaft)

Bearing Race

This race is used on IMCO Vertical shafts. It has a special radius on one end to fit the radius on the shaft.

2-Groove Billet Crankshaft Pulley For Big Block Chevy

• Machined from 6061-T6 billet aluminum. 
• Set up for a Mercury replacement with deeper v-groove. 
• Comes highly polished.
• Diameter of 6.5"
• Pilot Hole is 1-1/8"

Big Block Chevy Polished Aluminum Timing Cover - Without Pump Drive Hole

These beautifully polished cast aluminum timing covers are perfect for any performance engine. Each cover is CNC machined to provide an excellent seal and their rigid construction assures your camshaft stays where it should. On reverse rotation applications, the inside bosses will need to be milled down.

Fits: a Gen 4 BBC engine.

Big Block Chevy Polished Aluminum Timing Cover - Gen 5 Without Pump Drive Hole
(Use Gasket #300-17872 & seal #300-16872)

These beautifully polished cast aluminum timing covers are perfect for any performance engine. Each cover is CNC machined to provide an excellent seal and their rigid construction assures your camshaft stays where it should. Some machining required to clear double roller timing chains.

Big Block Chevy Polished Aluminum Timing Cover - Gen 6 Without Pump Drive Hole (Use Seal #300-16872)

• These beautifully polished cast aluminum timing covers are perfect for any performance engine.
• Each cover is CNC machined to provide an excellent seal and their rigid construction assures your camshaft stays where it should.
• Does not fit Double Roller Timing Chains.
• Back utilizes O ring seal

Big Block Chevy Polished Aluminum Timing Cover - Gen 6 Without Pump Drive Hole (Use Seal #300-16872) - Double Roller Compatible

These beautifully polished cast aluminum timing covers are perfect for any performance engine. Each cover is CNC machined to provide an excellent seal and their rigid construction assures your camshaft stays where it should. This model will fit Double Roller Timing Chains. Works with 7" or less harmonic balancers

Big Block Stainless steel "A" risers are designed for stock Mercruiser Bravo exhaust tip locations. 3/4"npt fitting is used on front of pipe for thermostat housing that have (4) 1" hoses water to go to exhaust manifolds if needed click on (ADD BUNG). Shift bracket, ECM, or EFI brackets available as bolt on or welded to the risers.To order see PowerFlow Accessories or Related Products. (Sold in pairs)

Big Block 3" Stainless steel "A" risers are designed for stock Mercruiser Bravo exhaust with 3" riser block between manifold & Riser. tip locations should be 3" higher then stock. 3/4"npt fitting is used on front of pipe for thermostat housing that have (4) 1" hoses water to go to exhaust manifolds if needed click on (ADD BUNG). Shift bracket, ECM, or EFI brackets available as bolt on or welded to the risers.To order see PowerFlow Accessories or Related Products. (Sold in pairs)

Big Block 6" Stainless steel "A" risers are designed for stock Mercruiser Bravo exhaust with 6" riser block between manifold & Riser. tip locations should be 6" higher then stock. 3/4"npt fitting is used on front of pipe for thermostat housing that have (4) 1" hoses water to go to exhaust manifolds if needed click on (ADD BUNG). Shift bracket, ECM, or EFI brackets available as bolt on or welded to the risers.To order see PowerFlow Accessories or Related Products.

Big Block std. Stainless steel "S" pipe is unique in many ways. These pipes will fit many pre-existing port locations That are about crankshaft center line, and is widely used with swim step applications as well as V-Drives and Jet boats.the lower elbow is adjustable up & down with a 4" exhaust tip hose contention.

3/4"npt fitting is used on front of pipe for thermostat housing that have (4) 1" hoses water to go to exhaust manifolds if needed click on (ADD BUNG). Shift bracket, ECM, or EFI brackets available as bolt on or welded to the risers.To order see PowerFlow Accessories or Related Products. (Sold in pairs)