Holley's Mid-Mount complete accessory drive system pulls all accessories in tighter than other drives with a bracketless design that bolts directly to the water pump. The premium alternator uses 6-phase technology shared with the C7 Corvette, and the system includes a compact SD7 A/C compressor and Type II power steering pump with a baffled reservoir.
Specifications:
- Engine: GM Gen V LT1
- Accessory Drive Style: Mid-mount, bracketless
- Alternator Amperage: 150 amps
- A/C Compressor Type: SD7
- Belt Type: Serpentine
- Damper Style: Cast, standard
- Finish: Black
- Material: Cast aluminum
- Oil System Type: Wet sump
- Part Number: 20-205BK
Fits GM Gen-V LT engines (wet-sump), LV3/LV1 V6 versions, and dry-sump LT engines converted to wet-sump (except LT2 and any supercharged engines). Includes the water pump, A/C compressor, alternator, power steering pump with reservoir, crank damper, all pulleys, belt, heater hose adapters, power steering hardline, and alternator pigtail harness; optional A/C pulley cover (97-185) and alternator pulley cover (97-187) sold separately.
FAQ
What engines does the 20-205BK system fit?
GM Gen-V LT wet-sump engines, LV3/LV1 V6 versions, and dry-sump LT engines converted to wet-sump — except LT2 and any supercharged applications.
What's included in the kit?
The water pump, A/C compressor, alternator, power steering pump with reservoir, crank damper, all pulleys and belt, heater hose adapters, power steering hardline, and alternator pigtail harness.
What amperage is the included alternator?
150 amps, using 6-phase technology as found on the C7 Corvette.
Are pulley covers included?
No, the A/C pulley cover (97-185) and alternator pulley cover (97-187) are available separately.
