Product images and videos are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Engines and Components› Crankshafts and Components
Billet Specialties
SBC/BBC 1 GRV WP Pulley For LWP Polished
SKU: B01D 78110
Easy — 1–2 hours
Overview
This pulley features a single groove and is constructed from polished billet aluminum. It has a diameter of 6.438 inches. Billet Specialties is a recognized name in the Hot Rod industry, offering a diverse range of innovative automotive accessories since 1985.
Show original supplier description
Vehicle Symptoms
- Engine overheating during idle or stop-and-go traffic
- Squealing noise from serpentine belt area on startup
- Coolant leaking from water pump area
- Belt slipping or chirping after engine warm-up
- Inconsistent coolant temperature gauge readings
Relevant Conversations
- Chevy 350 water pump pulley size for V-belt
- 6.438 inch water pump pulley Billet Specialties review
- Long water pump pulley vs short water pump pulley Chevy
- Squealing belt after water pump replacement Chevy small block
- Billet Specialties 78110 pulley installation instructions
- Alternator pulley alignment with new water pump pulley
- Best water pump pulley for high rpm Chevy V8
- Overheating Chevy 350 new water pump still overheating forum
- V-belt water pump pulley 1 groove polished aluminum
- Will a 6.438 pulley work with a stock water pump Chevy
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Billet Specialties |
| Part Number | B01D 78110 |
Videos
About MOTORMIA
Buy with Confidence
Returns & Fitment
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return PolicyShipping
Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.
Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.
View Full Shipping Policy