Inboard Shafts

Inboard Shafts

General Propeller Company is one of the leading boat shaft manufacturers in the US. We are an OEM supplier to numerous boat builders, including Sea Ray, Regal, Hunter, Correct Craft - Nautique, Bertram, Wellcraft, Catalina, Sea Force IX, ………...

As a major boat shafting distributor, we will have the material you need in stock from ¾” to 4” diameter.  All machining is performed “in house” on C-N-C turning centers to exacting tolerances and every shaft is inspected for straightness, diameter and out-of-round tolerances per ABYC standards. Shafts provided with couplings are fully assembled and checked for coupling fit and run-out.

 Inboard Shaft Quote Form  - Please fill out for current pricing

Fast Delivery!

Most shafts ready to ship in 24 - 48 hours

  

Show:
Sort By:

Prop Tight 2.75" Shaft Locking Nut LN275

Shaft Size: 2.75" | Lock Nut Thread Size: 2" - 4-1/2 # of Slots - 14Nibral Download/View - Why Pro..

LN275

$470.00 $423.00

Propeller Shaft Nut Kit PSK275

Shaft Size: 2.75" | Full & Jam Nut Thread Size: 2"- 4-1/2 | Keystock 5/8" | Cotte..

PSK275

$399.38 $279.57

Solid Coupling 50MC004100

Solid Hub Coupling - Flange 4" | Bore 1.00" | M-Pilot Dia 2.5" | 4 Bolt - .375" Dia | Bolt Cir 3.25"..

50MC004100

$133.79 $93.65

Split Coupling 50400C1000

Split Hub Coupling - Flange 4" | Bore 1.00" | M-Pilot Dia 2.625" | 4 Bolt - .375"..

50400C1000

$181.72 $127.20

Taper Coupling 50TC501137 Discontinued

Taper Coupling 50TC501137

Taper Coupling - Flange 5" | Bore 1.375" | M-Pilot Dia 2.50" | 8 Bolt - .375" Dia | Bolt Cir 4.25" ..

50TC501137

$0.00

Coupling Bolt Set BOLTSET10M

Bolt Size: 10mm x 40mm | Package Quantity: 4Cancer and Reproductive Harm -   P65Warnings..

BOLTSET10M

$15.29 $10.70

Nylon Bore Reducer NB13

Nylon Bore Reducer NB13 1-3/4" to 1-1/2" ..

NB13

$66.00 $59.40

Prop Tight 3.00" Shaft Locking Nut Set CS300

Shaft Size: 3.00" | Lock Nut & Jam Nut Thread Size: 2-1/4" - 4-1/2 | Cotter Pin: 1/4"# of Slots ..

CS300

$756.67 $681.00

Propeller Shaft Nut Kit PSK300

Shaft Size: 3.00" | Full & Jam Nut Thread Size: 2-1/4" - 4-1/2 | Keystock 3/4"x 5..

PSK300

$657.21 $460.05

Solid Coupling 50MC004112

Solid Hub Coupling - Flange 4" | Bore 1.125" | M-Pilot Dia 2.5" | 4 Bolt - .375" Dia | Bolt Cir 3.2..

50MC004112

$138.59 $97.01

Split Coupling 50400C1125 Discontinued

Split Coupling 50400C1125

Split Hub Coupling - Flange 4" | Bore 1.125" | M-Pilot Dia 2.625" | 4 Bolt - .375&quo..

50400C1125

$0.00

Taper Coupling 50TC501150 Discontinued

Taper Coupling 50TC501150

Taper Coupling - Flange 5" | Bore 1.5" | M-Pilot Dia 2.50" | 8 Bolt - .375" Dia | Bolt Cir 4.25" | ..

50TC501150

$0.00

Coupling Bolt Set BOLTSET12M

Bolt Size: 12mm x 40mm | Package Quantity: 6Cancer and Reproductive Harm -   P65Warnings..

BOLTSET12M

$36.99 $25.89

Nylon Bore Reducer NB14

Nylon Bore Reducer NB14 2" to 1-1/2" ..

NB14

$71.00 $63.90

Prop Tight 3.00" Shaft Locking Nut LN300

Shaft Size: 3.00" | Lock Nut 2-1/4" - 4-1/2# Slots - 14Nibral Download/View - Why Prop Tight?..

LN300

$546.67 $492.00

Solid Coupling 50MC004125

Solid Hub Coupling - Flange 4" | Bore 1.25" | M-Pilot Dia 2.5" | 4 Bolt - .375" Dia | Bolt Cir 3.25..

50MC004125

$132.62 $92.83

Split Coupling 50400C1250 Discontinued

Split Coupling 50400C1250

Split Hub Coupling - Flange 4" | Bore 1.25" | M-Pilot Dia 2.625" | 4 Bolt - .375"..

50400C1250

$0.00

Taper Coupling 50TC501175 Discontinued

Taper Coupling 50TC501175

Taper Coupling - Flange 5" | Bore 1.75" | M-Pilot Dia 2.50" | 8 Bolt - .375" Dia | Bolt Cir 4.25" |..

50TC501175

$0.00

Coupling Bolt Set BOLTSET16M

Bolt Size: 16mm x 50mm | Package Quantity: 6Cancer and Reproductive Harm -   P65Warnings..

BOLTSET16M

$71.20 $49.84

Nylon Bore Reducer NB15

Nylon Bore Reducer NB15 2" to 1-3/4" ..

NB15

$71.00 $63.90