Increase your engine performance to 885HP at the touch of a button when used in conjunction with the Redeye Pre-Stage Kit! Includes Hellephant pulley (80.5 mm/3.17" dia) for 2 lb increase of boost over stock and high performance factory-tuned calibration. 885HP is achieved by enabling high octane functionality via Redeye Pre-Stage Kit.

Dealer installation is required.

Direct Connection Calibrations are for U.S. vehicles only.

Requires purchase of Redeye Pre-Stage Kit - sold separately: (P/N: 77072579AD Challenger 2019-2023 or P/N: 77072605AA Charger 2021-2023)

Details:

Turn-key HP upgrade for Hellcat Redeye

Factory-tuned calibration for increased engine performance to 885 HP / 787 LBFT per SAE J1349 correction factor

3.17in Hellephant Pulley

High performance calibration key code which unlocks Stage II calibration

Works in conjunction with high octane functionality

Note: While high octane mode is not engaged, expected performance is 837HP.

Install Time: 2-3 hours

Warranty: Parts warranty: 24 months UNLIMITED miles, Vehicle warranty: 3 years or 36,000 miles, Powertrain warranty: 5 years or 60,000 miles

Replaces Part Number: 77072583AA