Winberg Crankshafts

Chevy 4.5″ Bore Spacing


4.5″ Bore Spacing Chevy

The new small block Chevy.

Aerospace certified material

4330V or EN30B

Custom sizes and strokes

Fully counterweighted

Extensively lightened

Big Block snout

Scalloped Flange

Two piece seal only

Please contact Winberg for Chevy 4.5″ bore spacing pricing.


The following is a list of Chevy 4.5″ bore spacing small block crankshafts that we have in our excess inventory. Although many of the crankshafts listed here are finish ground, they are all in various stages of production. Delivery times will vary. This list is not exhaustive, but a list of our in stock items that are for sale. Please call with crankshaft reference number for pricing. If you are in need of a crankshaft that is not listed, please call. ¬†This list does not include crankshafts that are currently in production.

Order by calling 303-783-2234