MINI EN40B BILLET CRANKSHAFTS
Description
The latest steel billet crankshafts exclusively produced by Arrow Precision for MED. These crankshafts have been designed with extra large ‘C’ shaped counter balance webs to reduce vibrations and main bearing loadings at high RPM
Features include;
CNC machined from steel EN40B billet
Nitride hardened to a depth of .020”
Extra large ‘C’ shaped counterbalance webs to reduce harmonics within the crankshaft
Extra length keyway for a more positive crankshaft pulley location
Cooper 'S' big end journals with counter bored webs to reduce weight and further enhance counterbalance
For Mini with the following strokes
- 76.2mm
- 81.3mm - sorry currently out of stock
- 86.0mm
New strokes available for 2011 are;
- 88.0mm
- 61.91mm original 970 Cooper 'S'
- 68.26mm original 1071 Cooper 'S'
Fully balanced with certification, 100% crack detection, certification of material, heat treatments, and balancing. Critical detail inspection reports are also supplied with the crankshafts.
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