Vehicle Fitment
- Fits Following Engines: GM LS Small Block.
Accessory Drive System Service Component (20-221BK) by Holley®. Finish: Black. Holley Performance Products has been the undisputed leader in fuel systems for over 100 years. Holley's products include carburetors, fuel pumps, fuel injection, intake manifolds, and much more. From start to finish, Holley has the parts to make your dream a reality.
A/C Compressor Included: Yes |
A/C Compressor Type: SD7 |
Accessory Drive Style: Mid Mount |
Alternator Amperage: 150 |
Alternator Included: Yes |
Application: GM Gen V LT4 |
Belt Included: Yes |
Choose Your Part: Accessory Drive Kits |
Damper Included: No |
Damper Style: Factory |
Emission Code: 5 |
Engine: GM Gen V LT4 |
Finish: Black |
Inlet Size: 35.4mm/1.4" |
Material: Cast Aluminum |
Oil System Type: Dry Sump |
Output: 150 Amps |
Power Steering Hardline Included: Yes |
Power Steering Pulley Included: Yes |
Power Steering Pump Included: Yes |
Power Steering Reservoir Included: No |
Pulley Style: Serpentine |
Tensioner Included: Yes |
Thermostat Included: Yes |
Water Neck Included: Yes |
Water Pump Included: Yes |
Water Pump Pulley Included: Yes |
Holley® being an undeniable leader in fuel systems for over 100 years, Holley offers a wide range of performance carburetors, fuel pumps, intake manifolds and engine dress–up products for street performance, race, and marine applications. Holley carburetors have powered almost every NHRA Pro–Stock champion and every NASCAR Sprint Cup team for 40 years. As a single solution, or partnered with products from other Holley companies such as Hooker, Flowtech, NOS, Weiand, and others, the Holley products provide the quality and performance you've been looking for.