Predator 2 w/ ECM Unlock kit for 2020-2023 GM 6.6L L8T Gas 7266-R rear-brake-hose Holley has created these great

Holley has created these great kits to convert your Dominator and VR Series fuel pumps from single to dual inlet and from dual to single inlet to match your needs

4 V8 1976 - 1985 Chevrolet C20 454/7

4L V8 1971 - 1972 Chevrolet Kingswood 402/6

7L V8 1969 - 1973 Chevrolet G10 Van Base 307/5

Predator 2 w/ ECM Unlock kit for 2020-2023 GM 6.6L L8T Gas 7266-R rear-brake-hose Holley has created these greatUnlock and tune your 2020 2023 GM L8T powered truck at home with our 7266 R Predator 2 kit! We provide our industry exclusive Locksmith device and ECM harness with our popular Predator 2 handheld device to give you the ability to tune without removing the ECM. Once unlocked, the provided tunes can add big power to your 6. 6L gas truck, while also improving throttle response, shifting, and more. Tunes for 87, 91 and 93 octane fuel are provided, as well