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Instruction Sheets for Part Number HLY-20-136
Holley LS Engine Swap Accessory Drive Systems
Pulley Kits, LS Swap, Serpentine, Alternator, Power Steering, A/C, GM Type 2, 130 Amp Alternator, Natural, Kit
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Estimated Ship Date: Apr 17, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
20-136
Part Type:
Product Line:
Summit Racing Part Number:
HLY-20-136
UPC:
090127685600
Pulley Style:
Serpentine
Crankshaft Pulley Included:
No
Water Pump Pulley Included:
No
Power Steering Pump Style:
GM Type 2
Power Steering Pump Color:
Natural
Power Steering Pump Reservoir Included:
No
Power Steering Pulley Included:
Yes
Power Steering Pulley Material:
Steel
Power Steering Pulley Color:
Black
Power Steering Pulley Attachment:
Press fit
Power Steering Pulley Grooves:
6-groove, serpentine
Power Steering Brackets Included:
Yes
Power Steering Bracket Material:
Aluminum
Power Steering Bracket Color:
Natural
Alternator Material:
Cast aluminum
Alternator Color:
Natural
Alternator Amperage:
130
Alternator Style:
1-wire
Alternator Pulley Included:
Yes
Alternator Pulley Material:
Steel
Alternator Pulley Color:
Gold
Alternator Pulley Grooves:
6-groove, serpentine
Alternator Fan Included:
No
Alternator Brackets Included:
Yes
Alternator Bracket Material:
Aluminum
Alternator Bracket Color:
Natural
Air Conditioning Compressor Type:
R4
Air Conditioning Compressor Color:
Black
Air Conditioning Pulley Included:
Yes
Air Conditioning Pulley Material:
Steel
Air Conditioning Pulley Color:
Black
Air Conditioning Pulley Grooves:
6-groove, serpentine
Air Conditioning Bracket Included:
Yes
Air Conditioning Bracket Material:
Aluminum
Air Conditioning Bracket Color:
Natural
Idler Included:
Yes
Idler Pulley Color:
Black
Idler Brackets Included:
Yes
Tensioner Included:
Yes
Tensioner Style:
Spring-loaded
Tensioner Pulley Color:
Black
Tensioner Cover Included:
No
Hardware Included:
Yes
Belt Included:
Yes
Quantity:
Sold as a kit.
Holley LS Engine Swap Accessory Drive Systems
Now available from Holley are LS engine swap accessory drive systems. Included are accessories and pulleys that are manufactured by OEM part suppliers for durability and direct bolt-on installation. Order the kit that's best suited for your vehicle and engine application.
Features and facts:
* Universal brackets fit virtually all common LS engines, regardless of water pump and harmonic balancer offsets--thus reducing cost and complexity compared with competitive products
* Simple, dedicated installation kits allow easy fitment to Corvette, F-Body, or truck drive offsets
* Accessories, tensioner, and pulleys are manufactured by OEM suppliers and many of the parts are used on production vehicles today
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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