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SEAT BASE STRAP KIT MK3 SPIT from FDU31,,254 (2req)
This kit will replace the no longer available seat base diaphragm
$72.50- spitbits@spitbits.com
- 1-800-201-0494
- Account
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- Triumph Spitfire MK4/1500
- Engine Bits
- 3) Valve Springs
- 4) Valve Spring Lower Collar
- 5) Valve Guides
- 7) Exhaust Valves
- 8) Inlet Valves
- 15) Valve Cover Studs
- 18) Rocker Arms
- 34) Cam Followers
- 39) Cylinder Head Studs Engine lifting Bracket
- 40) Cylinder Head Studs
- 41) Cylinder Head Nuts
- 48) Camshafts
- 54) Fuel Pump Mounting Studs
- 57) Engine Mounting Plates
- 59) Rear Oil Seal Housing Mounting Bolts
- 66) Oil Pressure Sender
- 77) Timing Chain Tensioner & Timing Chain Kit
- 92) Piston Rings
- 93) Piston Sets
- 94) Crankshafts
- 95) Rod Bearings
- 98) Main Bearings
- 99) Thrust Washers
- 100) Flywheel & Ring Gear
- 103) Drain Plug
- 104) Dip Stick
- 105) Oil Pumps & Rebuild Kits
- 107) Flywheel Mounting Bolts
- Engine Mounts
- Overdrive Gearbox Mounts
- Non Overdrive Gearbox Mounts
- Oil Filters
- Oil Cooler & Oil Cooler Hose Kit
- Engine Gaskets & Gasket Sets
- Engine Performance Bits
- Single Rail Gearbox External Bits
- Single Rail Gearbox Internal Bits
- Single Rail Basic Gearbox Rebuild Kit
- Three Rail Gearbox External Bits
- Three Rail Gearbox Internal Bits
- Rebuilt Gearbox and Five speed conversion kits
- 5 Speed Conversion Kit
- Clutch Kits & Clutch Bits MK4 / 1500
- Carburetor Bits
- Carburetor Rebuild Kits
- Air Filter Bits
- Fuel Tank & Fuel Pump Bits
- Accelerator Control Bits
- Performance Carburetors
- Intake & Exhaust Manifold Bits
- Exhaust System Bits
- Original Type Complete Stainless Steel Exhaust Systems
- Stainless Steel Sports Exhaust Systems
- Stainless Steel Headers
- Emission System USA & CA up to FM80,000
- Emission System USA & CA from FM80,001
- Emission Hose & Fittings
- Radiator & Cooling Bits
- Heater Bits
- Hand Brake Bits
- Braking System Bits
- Brake Tools & Brake Fluid
- Brake Kits
- Copper Nickel Brake Line Kits
- Performance Braking Bits
- Front Suspension Bits
- Suspension Kits & Shock Absorber Kits
- Rear Suspension Bits
- Anti Sway Bar Bits
- Alloy Wheels & Factory Wheel Bits
- Steering Column 1971 - 1976 Bits
- Steering Column 1977 - 1980 Bits
- Steering Wheel Bits
- Wiring Harness & Electrical Bits
- Dashboard Controls & Gauges
- Lighting Bits
- Electrical Relays & Switches
- Ignition Bits
- Rear Differential Bits
- Rebuilt Differential
- Drive Shaft Bits
- D Type Overdrive Bits
- Rebuilt D Type Overdrive
- J Type Overdrive Bits
- Rebuilt J Type Overdrive
- Front Body Bits
- Rear Bodywork Bits
- Badges Mouldings & Trim Bits
- 3) Rear Fender Moulding
- 5) Rear Moulding MK4/1500
- 6) Trunk Lid Moulding MK4/1500
- 7) Rear Valance Moulding MK4/1500
- 9) 1500 Transfer Rear MK4/1500
- 10) Rear Fender Badges MK4/1500
- 12) Tire Pressure Labels MK4/1500
- 14) B Post Finisher MK4/1500
- 18) 1500 Transfer Front MK4/1500
- 19) Bonnet Badges MK4/1500
- 22) Commission Number Plate
- Major Seal Kit
- Center Body & Floors
- Doors & Door Glass Bits
- Door & Fender Mirrors
- Factory Hard Top Bits
- Convertible Top Bits
- Chassis Bits
- Bumpers & Underiders
- Carpet Sets
- Windshield & Windshield Wipers
- Interior Components & Upholstery Bits
- Seat Foams
- Interior Kits
- Books & Accessories
- Steering Rack Bits
- Boots & Tonneau Covers
- Roll Over Bars
- Luggage Racks
- Engine Bits
- Triumph Spitfire MK1-MK3
- Engine Bits
- 5) Valve Guides
- 7) Exhaust Valve
- 8) Inlet Valve
- 18) Rocker Arms
- 25) Blanking Plug & Water Hose Adapter Fitting
- 26) Rocker Shaft
- 33) Push Rods
- 34) Cam Followers
- 39) Cylinder Head Studs Engine lifting Bracket
- 40) Cylinder Head Studs
- 41) Cylinder Head Nuts MK1-MK3 Spitfire
- 44) Cylinder Liner
- 48) Camshafts
- 57) Engine Mounting Plates
- 59) Rear Oil Seal Housing Mounting Bolts
- 77) Tensioner & timing Chain Kits MK1-MK3 Spit
- 87) Crankshaft Pulley
- 92) Piston Rings
- 93) Piston Sets
- 94) Crankshaft
- 95) Rod Bearings
- 96) Con Rods
- 98) Main Bearings
- 99) Thrust Washers
- 100) Flywheel
- 101) Oil Drain Plugs
- Engine Mounts
- Overdrive Gearbox Mounts
- Non Overdrive Gearbox Mounts
- Oil Filters
- Oil Cooler & Oil Cooler Hose Kit
- Engine Gaskets & Gasket Sets
- Engine Performance Bits
- Gearbox External Bits
- Gearbox Internal Bits
- Rebuilt Gearbox and Five Speed Conversion Kits
- Clutch Kits & Clutch Bits
- SU HS2 Carburetor Bits
- CD150 Stromberg Carburetor Bits
- Carburetor Rebuild Kits
- Air Filter Bits
- Accelerator Control Bits
- Performance Carburetors
- Vacuum Pipes & Fittings
- Intake & Exhaust Manifold Bits
- Fuel Tank & Fuel Pump Bits
- MK3 Exhaust Manifold Bits
- MK3 Exhaust System Bits
- MK1 & MK2 Exhaust System Bits
- Original Type Complete Stainless Steel Exhaust Systems
- Stainless Steel Sports Exhaust Systems
- Stainless Steel Headers
- Radiator & Cooling Bits
- Heater Bits
- Hand Brake Bits
- Braking System Bits
- 7) Master Cylinder MK1 & MK2
- 9) Master Cylinder Rebuild Kit MK1 & MK2
- 18) Brake Unions
- 19) FRONT BRAKE HOSE MK1-MK3 SPIT
- 23) Brake Calipers MK3
- 25) Brake Caliper Pistons
- 27) Brake Pads
- 29) Brake Rotors
- 30) Caliper Rebuild Kits
- 31) Brake Shoes and Kits
- 32) Brake Drums
- 38) Brake Line Clips.
- 46) Used Brake Backing Plates
- Brake Tools & Brake Fluid
- Brake Kits
- Copper Nickel Brake Line Kits
- Performance Braking Bits
- Front Suspension Bits
- Suspension Kits & Shock Absorber Kits
- Rear Suspension Bits
- Anti Sway Bar Bits
- Alloy Wheels & Factory Wheel Bits
- Steering Rack Bits
- Steering Column Bits
- Steering Wheel Bits
- Rear Differential Bits
- Rebuilt Differential
- Drive Shaft Bits
- D Type Overdrive Bits
- Rebuilt D Type Overdrive
- Front Body Bits
- 4) Reinforcement Assembly
- 5) Fender
- 6) Bonnet Catch & Bonnet Lock
- 8) D Panel
- 9) Panel Assembly Closing
- 10) Headlamp Panel
- 11) Mk3 Valance Outer Mounting Brackets
- 12) Valance
- 13) Mk1-MK3 Valance Mounting Brackets
- 16) MK1 & MK2 Grills
- 17) MK1 & MK2 Nose Repair Panel
- 18) MK3 Nose Panels
- 19) Outer Wheel Well
- 22) Inner Wheel Well
- 23) Fender Support Panels
- 27) Bonnet Hinge Tubes
- 28) Hinge Tube Pivot Bush
- 30) MK3 Grill
- 31) RH Splash Guards
- 33) Badges
- Rear Bodywork Bits
- Badges Mouldings & Trim Bits
- Major Seal Kit
- Center Body & Floors
- Doors & Door Glass Bits
- Door & Fender Mirrors
- Front & Rear Bumper Bits
- Chassis Bits
- Factory Hard Top Bits
- Convertible Top Bits
- Windshield & Windshield Wipers
- Dashboard Controls & Gauges
- Lighting Bits
- 1) HeadLamp Rim
- 10) MK1 & MK2 Front Bulbs & Bulb Holder
- 11) MK1 & MK2 Front Lamp Lens
- 14) MK1 & MK2 Front Lamps
- 19) Front Turn Lamp & Turn Lamp Plinth Late MK1 & MK2 Spit
- 20) MK3 Spit Lamp Gaskets
- 22) MK3 Spit Lamp Bulbs
- 23) MK3 Spit Lamp Lens
- 27) MK3 Spit Lamps
- 35) Rear Turn Lens
- 39) Rear Turn Light
- 42) Reverse Light Bulb & Bulb Holder
- Side Markers
- Electrical Relays & Switches
- Ignition Bits
- Wiring Harness & Electrical Bits
- Interior Components & Upholstery Bits
- 1) Door Panels
- 3) Door Capping
- 4) Wheel Arch Kits
- 6) Cockpit Panels
- 9) Trunk Carpet
- 11) Seat Base Foams
- 12) Seat Reupholstery Kits
- 15) Mounting Brackets MK3 SPIT from FD20,000
- 18) Mounting Brackets Screws MK3 SPIT
- 19) Outer Sunvisor Bracket
- 20) Spire Clip
- 21) Sunvisors
- 31) Crash Pads
- 32) Walnut Dashboard
- 33) Dashboard Mounting Screws
- 39) Radio Tower
- 49) Carpets & Floor Mats
- Spitfire MK1-MK3:Books & Accessories
- Spitfire MK1-MK3
- Roll Over Bars
- Engine Bits
- Triumph GT6
- Engine Bits
- 2) Valve Spring Collars Upper
- 3) Valve Springs
- 4) Valve Spring Collars Lower
- 5) Valve Guides
- 6) Valves
- 10) Rocker Shaft
- 20) Valve Covers
- 35) Camshafts
- 44) Front Oil Seal
- 54) Cyl Head Nuts
- 55) Cyl Head Washers
- 56) Cyl Head Studs
- 57) Water Drain Plug
- 59) Push Rods
- 60) Cam Followers
- 62) Core Plugs
- 78) Oil Drain Plug
- 89) Thrust Washers
- 90) Piston Sets
- 91) Piston Rings
- 94) Rod Bearings
- 96) Main Bearings
- Engine Gaskets & Gasket Sets
- Engine Performance Bits
- Overdrive Gearbox Mounts
- Non Overdrive Gearbox Mounts
- Oil Cooler
- Oil Pump & Oil Filters
- Engine Mounts
- Gearbox External Bits
- Rebuilt Gearbox
- 5 Speed Conversion Kit
- Clutch Kits & Clutch Bits
- Gearbox Internal Bits
- Carburetor Bits
- Air Filter Bits
- Gas Tank & Fuel Pump Bits
- Accelerator Cable Bits
- Intake Manifold Bits
- MK1 Exhaust System Bits
- MK2 & MK3 Exhaust System Bits
- Original Type Exhaust Systems
- Stainless Exhaust Systems
- Stainless Steel Headers
- Water Pump & Housing Bits
- Radiator & Cooling Bits
- Cooling Fan Bits
- Heater Bits
- Hand Brake Bits
- Braking System Bits
- 5) Pedal Pads
- 7) Master Cylinder
- 9) Master Cyl Rebuild Kits
- 17) Brake Union
- 21) Brake Calipers
- 22) Anti Squeal Kit
- 23) Caliper Piston
- 24) Caliper Mounting Bolt
- 26) Brake Rotors
- 27) Brake Pads
- 28) Caliper Rebuild Kits
- 29) Brake Shoes
- 30) Brake Drums
- 35) Brake Hose
- 36) Brake Line Clips
- 40) Wheel Cylinders
- 41) Brake Springs
- 44) Wheel Cyl Repair Kits
- 47) Dust Cover
- Brake Tools & Brake Fluid
- Brake Kits
- Copper Nickel Brake Line Kits
- Performance Braking Bits
- Rear Rotoflex Suspension Bits
- Rear Non Rotoflex Suspension Bits
- Front Suspension Bits
- Suspension Kits & Shock Absorber Kits
- Steering Rack Bits
- Steering Column Bits
- Steering Wheel Bits
- Anti Sway Bar Bits
- MK1 & MK2 Front Body Bits
- 4) Reinforcement Assembly
- 5) MK1 & MK2 Front Fenders
- 8) D Panel
- 9) Closing Panel
- 10) Headlamp Mounting Panel
- 11) Valance Bracket Outer
- 12) Valance
- 13) Valance Support Bracket
- 17) MK1 Nose Panel
- 18) MK2 Nose Panel
- 19) Wheel Well Outer
- 22) Wheel Well Inner
- 23) Fender Support
- 27) Hinge Tube
- 29) Hinge Bracket
- 30) Hinge Tube Bush
- MK3 Front Body Bits
- Door & Fender Mirrors
- Bumpers & Underiders
- Center Body & Floors
- Doors & Door Glass Bits
- Body Mouldings & Trim Bits
- Rear Bodywork Bits
- MK3 Rear Valance Moulding Bits
- Chassis Bits
- Windshield & Windshield Wipers
- Rear Differential Bits
- Drive Shaft Bits
- D Type Overdrive Bits
- Dashboard Controls & Gauges
- Lighting Bits
- 6) Headlamp Mounting Hardware
- 8) Headlamp Mounting Rubber
- 9) Lucas Headlamp & Bowl Assembly
- 21) MK2 GT6 Park Lens
- 26) Bulbs
- 28) Turn Lamp Gaskets
- 29) Turn Lamps
- 37) Rear Turn Lamp Lenses
- 40) Rear Turn Lamp
- 42) License Plate Lamps MK1 & MK2
- 49) MK3 GT6 Rear Lamp Mounting Gaskets
- 67) Bulb Holders
- 69) MK3 GT6 Side Marker Lens
- 70) MK3 GT6 Side Marker Reflector
- 73a) MK3 GT6 Side Marker
- Ignition Bits
- Electrical Bits
- 3) Battery J Bolts
- 8) Courtesy Light Switch
- 9) Starter Solenoid
- 10) Center Horn Push
- 12) Turn Signal Switch & Labels
- 15) Horn Brush
- 16) High Low Light Switch & Labels
- 19) Relays
- 20) Flasher & Hazard Units
- 21) Reverse & Overdrive Inhibitor Switch
- 35) Fuse Box GT6
- 45) Alternators
- 55) Horns
- 62) Wiper Motor Mounting Strap
- Electrical Connectors & Wiring Harnesses
- Interior Components & Upholstery Bits
- 1) Door Panels
- 3) Door Top Capping
- 4) Wheel Arch Panel Kits
- 5) Headrest Covers
- 6) Seat Cover Kits
- 7) Seat Foam Kits
- 8) Seat Belts
- 13) Headlining
- 14) Rear Deck Carpet
- 16) Tailgate Panel
- 19) Armrest Recover Kit
- 20) Tunnel Cover
- 22) Knee Pads
- 23) Carpet Kits
- 33-38) MK2 GT6 Sun Visor Mounting Brackets & Components
- 39) Sun Visors
- 44) Crash Pads
- 46) Dashboard Screws
- 48) Passenger Glove Box
- 54) Radio Tower & Cover
- 55) Chrome Bolts
- 59) Drivers Glove Box
- Books & Accessories
- Factory Wheel Bits & Alloy Wheels
- Accelerator Linkage Bits
- Accelerator Cable Bits
- Engine Bits
- More
-
Browse Store
- Triumph Spitfire MK4/1500
- Engine Bits
- Engine Mounts
- Overdrive Gearbox Mounts
- Non Overdrive Gearbox Mounts
- Oil Filters
- Oil Cooler & Oil Cooler Hose Kit
- Engine Gaskets & Gasket Sets
- Engine Performance Bits
- Single Rail Gearbox External Bits
- Single Rail Gearbox Internal Bits
- Single Rail Basic Gearbox Rebuild Kit
- Three Rail Gearbox External Bits
- Three Rail Gearbox Internal Bits
- Rebuilt Gearbox and Five speed conversion kits
- 5 Speed Conversion Kit
- Clutch Kits & Clutch Bits MK4 / 1500
- Carburetor Bits
- Carburetor Rebuild Kits
- Air Filter Bits
- Fuel Tank & Fuel Pump Bits
- Accelerator Control Bits
- Performance Carburetors
- Intake & Exhaust Manifold Bits
- Exhaust System Bits
- Original Type Complete Stainless Steel Exhaust Systems
- Stainless Steel Sports Exhaust Systems
- Stainless Steel Headers
- Emission System USA & CA up to FM80,000
- Emission System USA & CA from FM80,001
- Emission Hose & Fittings
- Radiator & Cooling Bits
- Heater Bits
- Hand Brake Bits
- Braking System Bits
- Brake Tools & Brake Fluid
- Brake Kits
- Copper Nickel Brake Line Kits
- Performance Braking Bits
- Front Suspension Bits
- Suspension Kits & Shock Absorber Kits
- Rear Suspension Bits
- Anti Sway Bar Bits
- Alloy Wheels & Factory Wheel Bits
- Steering Column 1971 - 1976 Bits
- Steering Column 1977 - 1980 Bits
- Steering Wheel Bits
- Wiring Harness & Electrical Bits
- Dashboard Controls & Gauges
- Lighting Bits
- Electrical Relays & Switches
- Ignition Bits
- Rear Differential Bits
- Rebuilt Differential
- Drive Shaft Bits
- D Type Overdrive Bits
- Rebuilt D Type Overdrive
- J Type Overdrive Bits
- Rebuilt J Type Overdrive
- Front Body Bits
- Rear Bodywork Bits
- Badges Mouldings & Trim Bits
- Major Seal Kit
- Center Body & Floors
- Doors & Door Glass Bits
- Door & Fender Mirrors
- Factory Hard Top Bits
- Convertible Top Bits
- Chassis Bits
- Bumpers & Underiders
- Carpet Sets
- Windshield & Windshield Wipers
- Interior Components & Upholstery Bits
- Seat Foams
- Interior Kits
- Books & Accessories
- Steering Rack Bits
- Boots & Tonneau Covers
- Roll Over Bars
- Luggage Racks
- Triumph Spitfire MK1-MK3
- Engine Bits
- Engine Mounts
- Overdrive Gearbox Mounts
- Non Overdrive Gearbox Mounts
- Oil Filters
- Oil Cooler & Oil Cooler Hose Kit
- Engine Gaskets & Gasket Sets
- Engine Performance Bits
- Gearbox External Bits
- Gearbox Internal Bits
- Rebuilt Gearbox and Five Speed Conversion Kits
- Clutch Kits & Clutch Bits
- SU HS2 Carburetor Bits
- CD150 Stromberg Carburetor Bits
- Carburetor Rebuild Kits
- Air Filter Bits
- Accelerator Control Bits
- Performance Carburetors
- Vacuum Pipes & Fittings
- Intake & Exhaust Manifold Bits
- Fuel Tank & Fuel Pump Bits
- MK3 Exhaust Manifold Bits
- MK3 Exhaust System Bits
- MK1 & MK2 Exhaust System Bits
- Original Type Complete Stainless Steel Exhaust Systems
- Stainless Steel Sports Exhaust Systems
- Stainless Steel Headers
- Radiator & Cooling Bits
- Heater Bits
- Hand Brake Bits
- Braking System Bits
- Brake Tools & Brake Fluid
- Brake Kits
- Copper Nickel Brake Line Kits
- Performance Braking Bits
- Front Suspension Bits
- Suspension Kits & Shock Absorber Kits
- Rear Suspension Bits
- Anti Sway Bar Bits
- Alloy Wheels & Factory Wheel Bits
- Steering Rack Bits
- Steering Column Bits
- Steering Wheel Bits
- Rear Differential Bits
- Rebuilt Differential
- Drive Shaft Bits
- D Type Overdrive Bits
- Rebuilt D Type Overdrive
- Front Body Bits
- Rear Bodywork Bits
- Badges Mouldings & Trim Bits
- Major Seal Kit
- Center Body & Floors
- Doors & Door Glass Bits
- Door & Fender Mirrors
- Front & Rear Bumper Bits
- Chassis Bits
- Factory Hard Top Bits
- Convertible Top Bits
- Windshield & Windshield Wipers
- Dashboard Controls & Gauges
- Lighting Bits
- Electrical Relays & Switches
- Ignition Bits
- Wiring Harness & Electrical Bits
- Interior Components & Upholstery Bits
- Spitfire MK1-MK3:Books & Accessories
- Spitfire MK1-MK3
- Roll Over Bars
- Triumph GT6
- Engine Bits
- Engine Gaskets & Gasket Sets
- Engine Performance Bits
- Overdrive Gearbox Mounts
- Non Overdrive Gearbox Mounts
- Oil Cooler
- Oil Pump & Oil Filters
- Engine Mounts
- Gearbox External Bits
- Rebuilt Gearbox
- 5 Speed Conversion Kit
- Clutch Kits & Clutch Bits
- Gearbox Internal Bits
- Carburetor Bits
- Air Filter Bits
- Gas Tank & Fuel Pump Bits
- Accelerator Cable Bits
- Intake Manifold Bits
- MK1 Exhaust System Bits
- MK2 & MK3 Exhaust System Bits
- Original Type Exhaust Systems
- Stainless Exhaust Systems
- Stainless Steel Headers
- Water Pump & Housing Bits
- Radiator & Cooling Bits
- Cooling Fan Bits
- Heater Bits
- Hand Brake Bits
- Braking System Bits
- Brake Tools & Brake Fluid
- Brake Kits
- Copper Nickel Brake Line Kits
- Performance Braking Bits
- Rear Rotoflex Suspension Bits
- Rear Non Rotoflex Suspension Bits
- Front Suspension Bits
- Suspension Kits & Shock Absorber Kits
- Steering Rack Bits
- Steering Column Bits
- Steering Wheel Bits
- Anti Sway Bar Bits
- MK1 & MK2 Front Body Bits
- MK3 Front Body Bits
- Door & Fender Mirrors
- Bumpers & Underiders
- Center Body & Floors
- Doors & Door Glass Bits
- Body Mouldings & Trim Bits
- Rear Bodywork Bits
- MK3 Rear Valance Moulding Bits
- Chassis Bits
- Windshield & Windshield Wipers
- Rear Differential Bits
- Drive Shaft Bits
- D Type Overdrive Bits
- Dashboard Controls & Gauges
- Lighting Bits
- Ignition Bits
- Electrical Bits
- Electrical Connectors & Wiring Harnesses
- Interior Components & Upholstery Bits
- Books & Accessories
- Factory Wheel Bits & Alloy Wheels
- Accelerator Linkage Bits
- Accelerator Cable Bits
