PSC MOTORSPORTS | Small Block GM Serpentine Pulleys – Crankshaft & Water Pump Options

Description
These PSC serpentine pulleys are built for Small Block GM engines and designed to keep your accessory drive running smooth and efficient. Whether you’re dialing in reduction for performance or just want a clean, reliable setup, these pulleys deliver. Precision-machined for a perfect fit, they’re tough enough for street builds and custom projects alike.
Choose from crankshaft and water pump options to match your setup:
- PP3400: Crankshaft Pulley – 3.125" – 15% Reduction
- PP3401: Crankshaft Pulley – 3.9" – 30% Reduction
- PP3402: Water Pump Pulley – 5" – Short Water Pump
- PP3403: Crankshaft Pulley – 5" – Short Water Pump (Use with PSC HWKRP1)
Application Requirements
Small Block GM engines (verify short water pump compatibility where noted).
Available Configurations
| Manufacturer Part Number | Configuration | Instructions |
|---|---|---|
| PP3400 | Crankshaft / 3.125" / 15% Reduction | General PSC bleeding guide; consult product specifications |
| PP3401 | Crankshaft / 3.9" / 30% Reduction | General PSC bleeding guide; consult product specifications |
| PP3403 | Crankshaft / 5" / Standard (Use w/ HWKRP1) | General PSC bleeding guide; consult product specifications |
| PP3402 | Water Pump / 5" / Standard | General PSC bleeding guide; consult product specifications |
Fitment Table
Vehicle Fitment
Universal item / custom application. Listed in all vehicle browsing collections. This listing does not establish direct-fit compatibility with every vehicle. Match the component specifications and the selected configuration.
Application Requirements
Small Block GM engines (verify short water pump compatibility where noted).
Available Configurations
| Manufacturer Part Number | Configuration | Instructions |
|---|---|---|
| PP3400 | Crankshaft / 3.125" / 15% Reduction | General PSC bleeding guide; consult product specifications |
| PP3401 | Crankshaft / 3.9" / 30% Reduction | General PSC bleeding guide; consult product specifications |
| PP3403 | Crankshaft / 5" / Standard (Use w/ HWKRP1) | General PSC bleeding guide; consult product specifications |
| PP3402 | Water Pump / 5" / Standard | General PSC bleeding guide; consult product specifications |
Warranty
PSC states that most products carry 12 months of coverage for manufacturing defects for the original purchaser. Eligibility and exclusions depend on the product and use. Racing, competition, off-road-only and non-street-legal products are excluded under PSC’s published terms. Installation-related damage and labour or incidental costs are not covered. Contact Niagara Jeeps & Trucks with proof of purchase before arranging a claim.
Shipping & Returns
Shipping & Refund Policy
Shipping:
We ship across Canada. Orders are processed within 1–2 business days. Delivery within Canada typically takes 3–10 business days depending on location and carrier. Tracking information will be provided once your order ships.
Refunds & Returns:
Returns are accepted within 30 days of delivery. Items must be unused and in original packaging. Please review our full return policy for more details.
Damaged or Incorrect Items:
If you receive a damaged or incorrect item, please contact us within 5 days of delivery. Call or text 416-624-1357 or email sales@Niagarajeeps.ca so we can resolve the issue quickly.