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Reproduction Of Original Replaces GM # 3720616 Cup Shaped 1/4 Deep 3.5 OD X 5/8 ID 4 - 11/32 Holes Don't forget to add this important item to your water pump install or engine rebuild. Without this spacer you might have belt misalignment or extra wear on the pulley.
Make | Model | Years |
Chevrolet | Sedan Delivery | 1955 - 1957 |
Chevrolet | Truck | 1955 - 1957 |