*Images are representatives, the actual product may be different.
Billet crankshaft is the manufacturing method to fulfill specific application. BW has been developing and manufacturing billet crankshafts over 20 years. From material selections to final products delivery, BW take every step professionally.
– Standard in premium AISI4340
– Upgrade to EN40B at an additional cost
– Upgrade centerline gundrill hole for super light weight at an additional cost.
| Part# | Stroke | Main Journal | Thrust Width | Crank Pin | Weight |
|---|---|---|---|---|---|
| BS-097A-78 | 78.00 mm | 59.964 mm | 28.53 mm | 50.000 mm | 10.5 kg |
ALFA ROMEO – 33 1.7L 1986-1995
ALFA ROMEO – Sprint 1.7L 1986-1989
ALFA ROMEO – 145 1.7L 1994-1997
ALFA ROMEO – 146 1.7L 1995–1997

provides stable re-assembling accuracy