Choose a Store
  • Shop All
  • Replacement Parts
  • Performance Parts
  • Accessories
  • Oil & Fluids
  • Special Offers
  • Speed Perks
  • Advice & How-Tos
  • Project Guides
  • FAQ / Help Desk
Share
Product thumb
Product main large
Loading...
How Would You Like To Get This Item?

Store Pickup

Loading...Loading...Loading...

Same Day Home Delivery

Loading...Loading...Loading...

Home Delivery

Loading...Loading...Loading...
Loading...
Loading...

Product Information

Product Details
Part No. 66890C
Warranty Details (90 DAY REPLACEMENT IF DEFECTIVE)
Premium high-grade steel. Tips welded on, not pressed on. Heat treated for use with guide plates.

Product Features:
  • Small Block Chevy
  • 5/16 Diameter
  • Stock Length Of 7.800in.
  • High-Performance Series
  • Heat Treated
Specifications
Bottom Tip Diameter:
0.3125 in

Bottom Tip Type:
Ball

Diameter:
0.3125 in

Heat Treated:
Yes

Length:
7.8 in

Material:
Steel

One-Piece Push Rod:
Yes

Top Tip Diameter:
0.3125 in

Top Tip Type:
Ball
Loading...
Loading...
Loading...
No results
Loading...
Feedback
TOP REPLACEMENT PARTS

Order Lookup

Help Desk

Store Locator

In Store Services

Mobile App

CUSTOMER SUPPORT
Accessibility Statement
Contact Us
Forgot Password
Help Desk
In Store Pickup
In Store Services
Order Tracking
Recall Information
Return Policy
Same Day Delivery
© 2025 Advance Auto Parts
Privacy Policy
Terms of Use
Site Map
ADVANCING A WORLD IN MOTION®