Darkhorse Crankworks
Darkhorse Crankworks

Darkhorse Crankworks     |     10629 Highway 42     |     Newton, Wisconsin 53063     |     (920) 726-9999

Warranty Info

All OEM street versions of Darkhorse crankshafts and casework (including remanufactured components) come with a 2-year, unlimited mileage warranty against workmanship defect. Darkhorse Crankworks or their registered dealers shall have no obligation under this warranty if crankshafts or crankcases or any parts produced by Darkhorse Motor Products are used in racing or competitive activities. Darkhorse Crankworks shall have no obligation when products, services or parts are used in a competitive activity or application, including and not limited to compression ratio’s at or higher than 11:1, a turbocharger, supercharger or nitrous oxide is used with engine, regardless of closed course racing or on public roads.


We true all crankshafts to within .0015” total indicated run-out at each main bearing race and guarantee all street/OEM applications to stay within  .0005” for 2 years and unlimited miles.

Limited Liability

Darkhorse Crankworks shall not, under any circumstances, be held liable for consequential damages, including parts not sold by Darkhorse Crankworks, labor not performed by Darkhorse Crankworks, or loss of profits. 

OEM Warranty

Installation of any aftermarket part, including parts and services by Darkhorse Crankworks, may adversely effect the OEM vehicle warranty.

Contact us if you have any questions.

John, i just wanted to say thank you again. I know I put you on the spot, but you came through. Customer and I were thrilled with the service! The motor came out perfect. Thank you again, and I look forward to future service with you