Arrow EN40B steel crankshaft 9 bolt 84mm: Ford Cosworth YB

Arrow's range of stock crankshafts are manufactured to the highest standards using their own specified 722M24 (EN40B) British low sulphur grade billet steel. A detailed manufacturing route plan allows full progress monitoring and traceability. Their modern plant includes CNC lathes, 4-axis mills and 5-axis machining facilities plus a state of the art CNC grinding machine.

All crankshafts are either stabilised or harden and tempered, dependent on engine specification. The nitride hardening process cycle lasts for 90 hours creating a consistent hardness and depth. All crankshafts are magnaflux tested, balanced and have a unique controlled super finished process which creates a .1 Ra finish on all pins. Their well-equipped, temperature controlled inspection department gives accurate control when measuring the finished parts. All critical details are recorded and great care is taken in the packaging of your Arrow crankshaft.

Delivery times: If this item is out of stock, the lead time is estimated by displaying average delivery times from the supplier. For an accurate lead time, please contact our sales department. A part showing an 8 week delivery could be available off the shelf from Arrow if the timing is right!

Stroke: 84mm

Big End Bearing Diameter: 51.99mm

Big End Width: 26mm

Main Bearing Journal Diameter 56.97mm

Main Bearing Width: 32.03mm

Counterweights: 8

Flywheel Bolt Holes: 9

Ford Cosworth YB 16v Turbo
Application:

• Ford Sierra RS Cosworth 3 door 1986-1987
• Ford Sierra Cosworth RS500 1987
• Ford Sierra Sapphire RS Cosworth 2wd 1988-1989
• Ford Sierra Sapphire RS Cosworth 4wd 1990-1992
• Ford Escort RS Cosworth 4wd T34 1992-06/1994
• Ford Escort RS Cosworth 4wd T25 06/1994-1996