Arrow Precision Billet Steel Crankshaft, Standard Journal – Seal Housing Kit, Main & Big End Bearings Included – TR2-4, Morgan +4

£3,555.00

  • Billet steel crankshaft suitable for TR2-4A & Morgan +4 designed by Racetorations
  • Manufactured in the UK by the world renowned Arrow Precision Engineering
  • 17.5kg Total Weight, 1.3kg (2.86lb) lighter than the original crankshaft
  • Standard size big end journals
  • Can be used in FIA race engines
  • Both the centre of the crankshaft and the big ends have been hollowed to reduce the rotating mass further while also increasing strength
  • Complete kit minus flywheel
  • Kit contains;
    • Steel crankshaft
    • Main Bearing Set
    • Big End Bearing Set
    • Seal Housing Kit
    • Spigot Bush
    • Woodruff Keys

In stock

Billet steel crankshaft suitable for TR2-4A & Morgan +4 designed by Racetorations and manufactured in the UK by the world renowned Arrow Precision Engineering. Standard big end journal size, original connecting rods can be used but we recommend BEN201A-SET or BEN201D-SET.
Both the centre of the crankshaft and the big ends have been hollowed to reduce the rotating mass further while also increasing strength. The rear flange incorporates an 8-bolt flywheel fixing, see BEN242 for bolts. Each crankshaft is supplied with an individual data sheet outlining dimensions and weights specific to that particular crank. Max RPM: 8000.

This crankshaft has a total weight of 17.5kg. This is 1.3kg (2.86lb) lighter than the original item. By using standard journal sizes this crank can be fitted into FIA race engines.

This latest design of our billet steel crankshaft incorporates a modified rear flange to enable the use of a single piece rear seal replacing the original split type for a modern high performance seal. The seal kit can be found under BEN247.

Crankshaft can be supplied with or without superfinishing polishing process, this high quality finish reduces rotational drag, and increases fatigue life. Derived from the pinnacle of motor sport technology and used in most Racetorations engines. Select this product and the process will be completed before delivery.

The kit includes the following;

Steel crankshaft - BEN209-4STD

Main Bearing Set - BEN213

Big End Bearing Set - BEN212

Seal Housing Kit - BEN247

Spigot Bush - BEN243

Woodruff Keys - BEN245

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