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Mercruiser Flo-Torq II Heavy Duty Solid Prop Hub & Nut Kit

525-8M0183487

Mercruiser Flo-Torq II Heavy Duty Solid Prop Hub & Nut Kit

For: A45 / 155 Series Propellers, Standard 1-1/4" Mercury Shaft

This part is used on the below models:

HD (Heavy Duty) 1.25" propshaft when installed on Mercury Racing
- 200XS, 225X
- 2.5 EFI
- 225 (Pro X, Pro XS, Sport XS)
- 250 (XS, Pro XS, Sport XS)
- 300 (X, XS)
- Sport
Torque and HD Fleet Master gearcases (not Fleet Masters with 1" propshafts)
MerCruiser Bravo One XR (1-1/4" shaft) or XZ
Sport Master and shorty Sport Master sterndrives

Supercedes: 840389A1, 840389A2, 840389A5, 840389K5, 840389K06

Your Price:
$108.25

This Part has options, please click the button below to order.

Part Options

VALVE-CHECK Mercruiser 21-8348041

525-21-8348041

VALVE-CHECK Mercruiser 21-8348041

Supersedes: 21-834804

Your Price:
$6.50

This Part has options, please click the button below to order.

Part Options

BEARING Mercruiser 31-83496010

525-31-83496010

BEARING Mercruiser 31-83496010

Your Price:
$803.00

This Part has options, please click the button below to order.

Part Options

Mercruiser Air/Fuel Pressure Gauge 91-881834A1

525-91-881834A1

Mercruiser Air/Fuel Pressure Gauge 91-881834A1

Used On: 200 (DFI), 225 (DFI), V-135 DFI (2.5L), V-150 DFI (2.5L)

Supersedes: 91-852087, 91-852087A1, 91-852087A2, 91-852087A3

Supercedes: 91-852087, 91-852087A1, 91-852087A2, 91-852087A3, 91-881834A1

Your Price:
$131.33

This Part has options, please click the button below to order.

Part Options

SPOOL/SHAFT ASSY Mercruiser 818349T1

525-818349T1

SPOOL/SHAFT ASSY Mercruiser 818349T1

Supercedes: 66067, 66067T, 19755A2, 818349A1, 818349T1

Your Price:
$84.02

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Quick Kit - Non Stick (Large Flange)

718-3-4700

For a basic rebuild of your performance QFT™ carburetor. Kit includes all the necessary gaskets, needle and seat assemblies, and GFLT pump diaphragms required. All gaskets are made of MP-15 gasket material for excellent sealing and torque rentention. Fuel bowl and metering block gaskets are redesigned for race applications with larger hole diameters, including booster thru holes and jet placement. QFT's exclusive FOUR DOOR® power valves provide greater flow capacity.P/N 3-4700 fits 4500 style flanges, 2 and 3-circuit applications; gasoline only.

Your Price:
$72.40

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Quick Kit - Non Stick (Mechanical Secondary)

718-3-4150

For a basic rebuild of your performance QFT™ carburetor. Kit includes all the necessary gaskets, needle and seat assemblies, and GFLT pump diaphragms required. All gaskets are made of MP-15 gasket material for excellent sealing and torque rentention. Fuel bowl and metering block gaskets are redesigned for race applications with larger hole diameters, including booster thru holes and jet placement. QFT's exclusive FOUR DOOR® power valves provide greater flow capacity.P/N 3-4150fits 4150 style flanges, mechanical secondary applications; gasoline only.

Your Price:
$66.91

More Info

Quick Kit - Non Stick (Vacuum Secondary)

718-3-4150SSR

For a basic rebuild of your performance QFT™ carburetor. Kit includes all the necessary gaskets, needle and seat assemblies, and GFLT pump diaphragms required. All gaskets are made of MP-15 gasket material for excellent sealing and torque rentention. Fuel bowl and metering block gaskets are redesigned for race applications with larger hole diameters, including booster thru holes and jet placement. QFT's exclusive FOUR DOOR® power valves provide greater flow capacity.P/N 3-4150SSR fits 4150 style flanges, vacuum secondary applications; gasoline only.