mpn
20-221BK
brand
name: Holley
manufacturer
name: Holley
Attributes
Key
Value
Air Conditioning Bracke.
Natural
Air Conditioning Bracke.
Yes
Air Conditioning Bracke.
Aluminum
Air Conditioning Compre.
Natural
Air Conditioning Compre.
SD7
Air Conditioning Pulley.
Black
Air Conditioning Pulley.
6-groove, serpentine
Air Conditioning Pulley.
Yes
Air Conditioning Pulley.
Steel
Alternator Bracket Color
Black
Alternator Bracket Mate.
Aluminum
Alternator Brackets Inc.
Yes
Alternator Color
Natural
Alternator Fan Included
No
Alternator Material
Cast aluminum
Alternator Pulley Color
Black
Alternator Pulley Groov.
6-groove, serpentine
Alternator Pulley Inclu.
Yes
Alternator Pulley Mater.
Steel
Alternator Style
1-wire
Belt Included
Yes
Brand
Holley
Crankshaft Pulley Inclu.
No
Hardware Included
Yes
Idler Brackets Included
Yes
Idler Included
Yes
Idler Pulley Color
Black
Manufacturer's Part.
20-221BK
Notes
For LT4 dry sump engine.
Part Type
Accessory Drive Systems
Power Steering Bracket .
Natural
Power Steering Bracket .
Aluminum
Power Steering Brackets.
Yes
Power Steering Pulley A.
Press fit
Power Steering Pulley C.
Black
Power Steering Pulley G.
6-groove, serpentine
Power Steering Pulley I.
Yes
Power Steering Pulley M.
Steel
Power Steering Pump Col.
Natural
Power Steering Pump Res.
No
Power Steering Pump Sty.
GM Type 2
Product Line
Holley Mid-Mount Comple.
Pulley Style
Serpentine
Quantity
Sold as a kit.
Summit Racing Part Numb.
HLY-20-221BK
Tensioner Cover Included
No
Tensioner Included
Yes
Tensioner Pulley Color
Black
Tensioner Style
Hydraulic
UPC
090127056516
Water Pump Color
Natural
Water Pump Material
Cast aluminum
Water Pump Pulley Color
Black
Water Pump Pulley Groov.
Non-ribbed
Water Pump Pulley Inclu.
Yes
Water Pump Pulley Mater.
Steel
Water Pump Rotation
Clockwise