The GMC 4-53 Long Bore roots blower was built by GMC for their Detroit 53 series diesel inline engines. The 4-53 Long Bore has an 8.7 inch rotor length, 2 straight cut lobes and runs at higher RPMs than the 71 series. Due to the lobe design this model runs louder than the similar model … Read more
4-53 Long Bore
Content Type: Supercharger