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$104.99
Speedway 1:1 Pulley Combo, Small Block Chevy Short Pump

Speedway 1:1 Pulley Combo, Small Block Chevy Short Pump
Chevy Small Block V8, 5.50" Overall Diameter, .38" Bushing Length, .63" Bushing Diameter
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Speedway 1:1 Pulley Combo, Small Block Chevy Short Pump
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- 1 to 1 to ratio ensures maximum cooling with minimal power loss
- CNC machined aluminum construction with deep grooves eliminates thrown belts
- Ideal for 602 and 604 crate engines as well as others operating below 7000 RPM
- Double groove pulleys allow for other accessories to be used such as power steering pump and alternator
- A matched pair of heavy duty belts are included so you don't have to search for the proper belt length
Details
Overall Diameter:
5.50"
Bushing Length:
.38"
Bushing Diameter:
.63"
Groove Count:
2
Shaft Diameter:
.75"
Belt Width:
.38"
Material Type:
Aluminum
Finish:
Natural
Sold in Quantity:
Set
Notes:
Includes bushing to mount on 3/4" or 5/8" pump. BELTS 91015413.
MFG. Part #:
91015464
Info
Kit includes a cast aluminum double groove water pump pulley and double groove crank pulley, and a matched pair of heavy-duty belts. Has a 1:1 water pump/crankshaft speed ratio.
- Heavy-duty aluminum construction
- Matched V-belts - 30-5/8" x 3/8" belts
- 1:1 to ratio
Fits Small Block Chevy V8 with '55-'68 short-style water pump with either a 5/8" or 3/4" shaft.
Note: The lower crank pulleys in our combo kits are manufactured thicker than normal stock pulleys. This requires longer 3/8" bolts to be purchased separately. Allen head type bolts recommended.
Get the correct pulleys for your application by learning which water pump you have as explained in our tech article. SBC - Short vs Long Water Pump.
Specs
Important Messages
- Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
Some parts are not legal for use in California or other states with similar laws/regulations
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