What is it about late 60’s American iron that is all about massive? In a day of high gas prices and eco-friendly engines, excessively large motors are no longer being produced by Detroit. However, if you want the cast-iron excess of yesterday, then look no further than our Chevy 540 short block motor.

The Proformance Unlimited Chevy 540 short block engine is definitely one of the biggest and baddest power plants that you could drop into your engine bay. Featuring an Eagle forged steel crankshaft and your choice of SRP or Mahle forged flat top pistons, our Chevy 540 short block motor is certain to be noticed wedged between your shock towers once your engine build is complete.This is truly one awe inspiring short block.

From custom painted engine blocks to precision ground micro-polished crankshafts, Proformance Unlimited can supply you with the short block motor that you have dreamed of and others fear! With over 50 years of shop experience, you can rest assured that we are here to help design and build the engine combination that best suits your vehicles needs. Unlike our competition, we stand by our short block engines with a one year, unlimited mile warranty.