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March Performance Crankshaft Pulleys
Crankshaft Pulley, V-belt, 3-groove, 4-bolt, Aluminum, Black, 6.125 in. O.D., Pontiac, 326, 350, 389, 400, 421, 428, 455, Each
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Estimated Ship Date: Oct 27, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
13051-08
Part Type:
Product Line:
Summit Racing Part Number:
MCH-13051-08
Pulley Style:
V-belt
Crankshaft Pulley Bolt Hole Quantity:
Four
Groove Quantity:
3
Underdrive:
Yes
Overdrive:
No
Hardware Included:
Yes
Outside Diameter (in.):
6.125 in.
Crankshaft Nose Cover Included:
No
Pulley Material:
Aluminum
Pulley Finish:
Black
Quantity:
Sold individually.
Notes:
1968 vehicle must have the newer balancer without v-groove. 1969 vehicle must have newer 11 bolt 4.5 in. water pump pulley.
March Performance Crankshaft Pulleys
March Performance crankshaft pulleys are CNC-machined to run true. These pulleys are available in both standard and underdrive sizes. Underdrive pulleys help to increase horsepower by reducing accessory pulley rotation effort at the crankshaft.
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Some parts are not legal for use in California or other states with similar laws / regulations
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