Products

Metric Shaft Sizes Please see other page for Imperial shaft sizes PSS Maintenance Kit includes all the items you need to properly maintain your PS...

If the PSS Shaft Seal needs to be removed and re-installed, PYI suggests that you replace the o-rings, and more importantly, change the set screws ...

Imperial diameter 3/4" - 3-3/4" shafts Click here for Metric shafts The Type A PSS Shaft Seal is a mechanical face seal. The sealing surface i...

Metric Shaft diameter 20mm -150mm Click here for Imperial sizes The Type A PSS Shaft Seal is a mechanical face seal. The sealing surface is ...

Our braided from selected, long fibre, heavy duty, flax yarns thoroughly impregnated yarn by yarn with PTFE and treated with break-in lubricants. T...

Manufactured by R&D Marine, the flexible coupling fits between the boat propeller shaft coupling and the gearbox output coupling. This flexibl...

R&D 4" Flexible Coupling 910-004 for BORG WARNER & HURTH Gearbox.   Gearbox Flange:                                              4" diamet...

R&D 4" Flexible Coupling 910-019 for VOLVO.   Gearbox Flange:                                              4" diameter.                       ...

R&D 4" Flexible Coupling 910-043 for Yanmar.   Gearbox Flange:                                              90mm diameter.                    ...

R&D 5" Flexible Coupling 910-012 for YANMAR Gearbox.   Gearbox Flange:                                              5" diameter.              ...

R&D 6" Flexible Coupling 910-003 for PRM Gearbox.   Gearbox Flange:                                              5.75" diameter.             ...

910-021 Flexible Coupling (Two hole) For 90mm Flange BUKH Gearboxes R & D Marine has developed a wide range of competitively priced Flexible C...

  910-060 Flexible Coupling (Two hole) R & D Marine has developed a wide range of competitively priced Flexible Couplings to fit all major inst...

R&D Clamp Coupling Yanmar 5" a - Flange outside diameter = 4.72" b - Hole pitch circle = 100mm c - Number of holes = 4 d - Hole size = 10mm e ...

Standard 4" Clamp coupling to suit the following gearboxes: Hurth, PRM and Borg Warner. 4" Diameter.  4 Hole 3.25" P.C.D. 2.5" Male Register Coup...

Zinc Plated for Protection Against Corrosion  We are now offering the R&D Split Shaft Couplings with a Protective Zinc Plating Standard 4" Cla...

Standard 5" Clamp coupling to suit the following gearboxes: Hurth, PRM and Borg Warner. a - Flange outside diameter = 5.00"b - Hole pitch circle =...

Application PRM, Borg Warner Velvet Drive, ZF and Twin Disc gearboxes Length 5.50" Brand R&D Marine Coupling PCD 4.75" / 120.6mm Co...

Standard 4" Clamp coupling to suit the following gearboxes: Volvo 4" Diameter.  4 Hole 80mm (3.15") P.C.D. 60mm Female Register The R&D Marine...

Standard 4" Clamp coupling to suit the following gearboxes: Yanmar. 4" Diameter.  4 Hole 78mm P.C.D. 50mm Male Register The R&D Marine Clamp C...

The compression flexible engine mounting is a low height mount with minimum deflection. Typical uses: 2 and 3 Cylinder Long Stroke, 4 Cylinder, 6 ...

The R&D compression flexible engine mounting is a competitive, low height, medium capacity mount giving good engine control. Typical uses: 2 &a...

800-036 The R&D compression flexible engine mounting is a competitive, low height, medium capacity mount giving good engine control. Typical us...

 The compression flexible engine mounting is a low height mount with minimum deflection. Typical uses: 2 and 3 Cylinder Long Stroke, 4 Cylinder, 6...

 The compression flexible engine mounting is a low height mount with minimum deflection. Typical uses: 2 and 3 Cylinder Long Stroke, 4 Cylinder, 6...

Earthing Connectors 'R & D Marine' Earthing Connectors consists of a Silver impregnated ribber strip, which when fitted through the axis of t...

Manufactured by R&D Marine, the flexible coupling fits between the boat propeller shaft coupling and the gearbox output coupling. This flexible...

910-007 Flexible Coupling 4" VOLVO Gearboxes R & D Marine has developed a wide range of competitively priced Flexible Couplings to fit all maj...

910-009 Flexible Coupling 5" PRM, HURTH, BORG WARNER & VOLVO R & D Marine has developed a wide range of competitively priced Flexible Coup...

910-013 Flexible Coupling For 90mm Flange BUKH Gearboxes R & D Marine has developed a wide range of competitively priced Flexible Couplings to...

910-014 Flexible Coupling 4" PRM, HURTH, PRM & BORG WARNER Gearboxes R & D Marine has developed a wide range of competitively priced Flexi...

Flexible coupling for boat propeller shaft. Manufactured by R&D Marine, the flexible coupling fits between the boat propeller shaft coupling a...

910-020 Flexible Coupling For 4" Flange VOLVO Gearboxes R & D Marine has developed a wide range of competitively priced Flexible Couplings to ...

910-025 Flexible Coupling Flexible coupling for boat propeller shaft. Manufactured by R&D Marine, the flexible coupling fits between the boat ...

R & D Marine 910-029 Flexible Coupling For 5" Flange Borg Warner, ZF Hurth, Volvo & PRM Gearboxes R & D Marine has developed a wide ra...

R&D flexible engine mountings have been designed and engineered for the rigours of marine engines. The flexible engine mount has added feature...