ReviewsSquare Bore Couplings

Speedmaster 1-147-001 LowRise Intake Manifold 1957-1995 Small Block Chevy 350 He

  • Satin Finish The Speedmaster LowRise Manifolds are our lowest profile manifold and is also the only one that is street legal on pollution controlled vehicles. It is set up to accept a spread bore carb but comes with an adapter plate that permits the use of square bore carbs. To remain street legal with a square bore carb, you must use one that is also approved as street legal for your application. This Speedmaster LowRise manifold is a direct replacement for the stock manifold on 1957-95....
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Ruland OD21/33-AT Oldham Coupling Disk, Black Acetal, Bore, 1-5/16\ or 33.3mm OD

  • Ruland oldham couplings have a zero-backlash balanced design for reduced vibration at speeds up to 4,500 RPM. They can accommodate high amounts of parallel misalignment (up to 10% of the hub OD)..
  • Acts as a mechanical fuse stopping power transmission during a torque overload. User can combine clamp or set screw hub with inch, metric, keyed, or keyless bore for a high level of customization..
  • Made from acetal for higher torque and torsional stiffness capabilities than nylon..
  • Proprietary hub machining process for smooth interaction between the hub and disk allowing for significantly longer life..
  • Ruland oldham coupling disks are RoHS3 and REACH compliant.
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Motis - Firefighting Mini Spanners, Lightweight & Portable Spanner Wrench, Must Have Firefighter Tools, Red, 2-Pack

  • Ultra-lightweight & Accessible - A practical addition to your set of firefighter tools, our mini spanner weighs only 2.5 ounces each. It fits in your bunker gear pocket, making it easy to access any time, anywhere..
  • Heavy-duty - Our mini spanner wrench is made of 6061 T6 aluminum, a metal suitable for tough tasks while firefighting. Small yet sturdy and tough, it excels at getting the job done.Tightens Couplings - Use this firefighter spanner wrench to tighten and secure loose couplings. Whether it’s for a standpipe connection or for an attack line, the spanners work on all caps and couplings on the fireground..
  • Tightens Couplings - Use this firefighter spanner wrench to tighten and secure loose couplings. Whether it’s for a standpipe connection or for an attack line, the spanners work on all caps and couplings on the fireground..
  • Undoes Couplings - No need to run back to the truck to grab spanners. Keep these mini spanner wrenches in your bunker gear pockets..
  • Great Value Pack of 2 - This firefighter spanner wrench comes in pairs..
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uxcell 7mm to 7mm Bore Rigid Coupling Set Screw L22XD14 Copper,Shaft Coupler Connector,Motor Accessories

  • Total Length: 22mm/0.87 inch, Outside Diameter : 14mm/0.55 inch.
  • Widely used in blowers,3D printer,DIY robots,CNC machine,stepper motors,etc. Similar to rigid clamp couplings, shaft couplers are used to hold bearings and sprockets tightly on the shaft, and are used in motor and gearbox assemblies..
  • Top tight type rigid coupling with 2/4 screws to hold the shaft tightly.
  • high torque with rigidity, low inertia and excellent sensitivity..
  • NOTE: The rigid type basically does not allow eccentricity, and it must be fully adjusted during use..
  • Single piece set screw clamp design makes it easy to set up the items on the shaft and control the holding capacity of the coupling..
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Central Vac Electric Installation Kit (4), 110 ft. of Pipe

  • Includes All Materials Necessary to Install a Central Vacuum System.
  • Compatible with All Direct Connect Hoses.
  • Kit includes, (12) sweep 90’s, (4) sweep tee's, (4) short 90's, (8) 45’s, (8) pipe straps, (14) stop couplings, (1) glue, (20) cables ties, (22) 5ft sections of pipe (110’), (4) square door inlets, 80’ of wire plus 30’ of wire, and an installation manual..
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Edelbrock 2116 Performer Vortec Aluminum Intake Manifold

  • Have provisions for external water bypass.
  • Improves torque over a wide RPM range of 5, 500.
  • Accepts both square-bore and spread-bore carburetors.
  • Accepts late model water neck, alternator, HEI and air conditioning.
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#40/41/420 Chain - 60 Tooth Sprocket for Go-Karts & Mini Bikes

  • This 9-3/4" disc sports a 2-1/8" bore and eight 3/8" mounting holes arranged in a square to create two different mounting distances, 3" and 3-1/2"..
  • 8 x 3/8" mounting holes spaced 1-1/4" apart..
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uxcell 6mm to 1/4 Inch Bore Rigid Coupling Set Screw L25XD18 Aluminum Alloy,Shaft Coupler Connector,Motor Accessories,2pcs

  • Connection Bore Diameter: 6mm to 1/4 inch.
  • Total Length: 25mm/0.98 inch, Outside Diameter : 18mm/0.7 inch.
  • Widely used in blowers,3D printer,DIY robots,CNC machine,stepper motors,etc. Similar to rigid clamp couplings, shaft couplers are used to hold bearings and sprockets tightly on the shaft, and are used in motor and gearbox assemblies..
  • Top tight type rigid coupling with 2/4 screws to hold the shaft tightly.
  • high torque with rigidity, low inertia and excellent sensitivity..
  • NOTE: The rigid type basically does not allow eccentricity, and it must be fully adjusted during use..
  • Single piece set screw clamp design makes it easy to set up the items on the shaft and control the holding capacity of the coupling..
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Edelbrock 2601 Performer Air-Gap Aluminum Intake Manifold, Multi, One Size

  • Patented runner tuning and a 180 degree firing order.
  • Fits spread-bore or square-bore carburetors.
  • Features the air-gap design for ultimate street performance.
  • No provision for exhaust heated chokes or exhaust crossover.
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uxcell 8mm to 8mm Bore Rigid Coupling Set Screw L25XD14 Aluminum Alloy,Shaft Coupler Connector,Motor Accessories,Blue w Wrench

  • Widely used in blowers,3D printer,DIY robots,CNC machine,stepper motors,etc. Similar to rigid clamp couplings, shaft couplers are used to hold bearings and sprockets tightly on the shaft, and are used in motor and gearbox assemblies..
  • Top tight type rigid coupling with 2/4 screws to hold the shaft tightly.
  • high torque with rigidity, low inertia and excellent sensitivity..
  • NOTE: The rigid type basically does not allow eccentricity, and it must be fully adjusted during use..
  • Single piece set screw clamp design makes it easy to set up the items on the shaft and control the holding capacity of the coupling..
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uxcell 1/4 Inch to 1/4 Inch Bore Rigid Coupling Set Screw L25XD14 Aluminum Alloy,Shaft Coupler Connector,Motor Accessories,Dark Blue,2pcs

  • Connection Bore Diameter: 1/4 inch to 1/4 inch.
  • Total Length: 25mm /0.98 inch, Outside Diameter : 14mm/ 0.55 inch.
  • Widely used in blowers,3D printer,DIY robots,CNC machine,stepper motors,etc. Similar to rigid clamp couplings, shaft couplers are used to hold bearings and sprockets tightly on the shaft, and are used in motor and gearbox assemblies..
  • Top tight type rigid coupling with 2/4 screws to hold the shaft tightly.
  • high torque with rigidity, low inertia and excellent sensitivity..
  • NOTE: The rigid type basically does not allow eccentricity, and it must be fully adjusted during use..
  • Single piece set screw clamp design makes it easy to set up the items on the shaft and control the holding capacity of the coupling..
Check Stock