Top Street Performance High Flow Water Pump For Ford Cleveland 351C 351M 400 V8
Overview
The Top Street Performance High-Flow Mechanical Water Pump (MPN HC8051C) is engineered for Ford 335-series V8 engines. Built with a high-volume aluminum impeller and clockwise rotation, the pump moves coolant steadily through the engine block, cylinder heads, and radiator circuit to help maintain stable operating temperatures under load.
Key Specifications
| Brand | Top Street Performance |
| Manufacturer Part Number | HC8051C |
| Part Type | Mechanical Water Pump |
| Pump Material | Aluminum |
| Finish | Polished |
| Pump Flow | High-Volume |
| Pump Rotation | Clockwise |
| Pilot Diameter | 5/8 In. |
| Crank Hub Thickness | 1/2 In. |
| Gaskets Included | Yes |
Fitment & Compatibility
This water pump is designed for Ford 335-series V8 applications:
- Ford Cleveland "335" V8 — 5.8 L / 351 in³ (commonly referred to as 351C)
- Ford Modified "335" V8 — 5.8 L / 351 in³ (commonly referred to as 351M)
- Ford "335" V8 — 6.6 L / 400 in³
Note: Fits many 1970–1978 Ford models equipped with a driver-side lower radiator hose inlet. Verify cooling system layout before ordering.
Installation & Use Context
The unit features a driver-side lower radiator hose inlet configuration and clockwise rotation, matching traditional Cleveland and Modified accessory drive layouts. The 5/8 In. pilot diameter positions the water pump pulley and fan drive during installation, helping maintain proper belt tracking and crank hub alignment. Gaskets are included in the package; confirm gasket requirements, pulley alignment, and hose routing prior to final assembly.
Key Features
- High-volume pump flow moves coolant steadily through the block and radiator circuit on Ford 351C, 351M, and 400 engines.
- Aluminum impeller with clockwise rotation helps maintain compatibility with traditional Cleveland and Modified accessory drive systems.
- 5/8 In. pilot diameter and 1/2 In. crank hub thickness ensure proper pulley alignment and fan drive positioning during installation.
- Driver-side lower radiator hose inlet is designed specifically for Ford 335-series V8 applications; verify cooling system routing before purchase.
- Includes gaskets to simplify the swap on classic Ford cars, trucks, and street rods equipped with the 351 Cleveland or 400 engine family.
Frequently Asked Questions
What vehicles does this water pump fit?
This mechanical water pump is compatible with Ford 335-series V8 engines, including the 351 Cleveland (351C), 351 Modified (351M), and 400 cubic inch engines. It fits many 1970-1978 models that use a driver-side lower radiator hose inlet configuration.
What material is the impeller made of?
The pump features a high-volume aluminum impeller with an eight-vane design, engineered to move coolant steadily through the block and heads. This construction helps improve circulation efficiency while maintaining compatibility with traditional Cleveland and Modified accessory drive layouts.
Does this water pump include gaskets?
Yes, installation gaskets are included with every HC8051C order. The unit also features a 1/2-inch crank hub thickness and a 5/8-inch pilot diameter to help maintain proper pulley alignment and belt tracking during accessory drive assembly.
What is the pump rotation direction?
This water pump operates at clockwise rotation, matching traditional Ford Cleveland and Modified engine families. Always verify that your harmonic balancer pulley matches this direction to ensure correct cooling system operation and fan drive engagement.
Will this pump work on a 1970-1978 Ford with a passenger-side inlet?
No, this water pump is designed strictly for vehicles with a driver-side lower radiator hose inlet. If your cooling system uses a passenger-side inlet, you will need the opposite rotation version or a different Top Street Performance model.
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Shipping Information
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Return Eligibility
- Returns are accepted within 30 days from the date of delivery.
- Items must be in their original condition and include all original packaging and accessories.
- Damaged or defective items: if your item arrives damaged or has any issue, reach out to us and we will arrange a replacement or refund at no additional cost.
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