Butler Exclusive Tru-Ratio Endurance Series 1.6 Roller Rocker Arm Set SCP-BP-3165-16

Specific features include: ENDURANCE SERIES Rocker Arms
have Race Series features PLUS:

True 1.6 ratio.

Gives you higher ratio without pushrod slotting required on most heads.

• • Lighter weight for faster RPM gain – average 28 grams
    lighter than Race Series rocker arms
  • Lower profile than Race Series rocker arms for better
    fitment under most stock valve covers
  • Shorter polylocks than Race Series polylocks for better
    valve cover clearance
  • Handle .750” lift & 750 lbs max open spring pressure
  • NEW Adjustable Pedestal Mount Rockers

Rocker Arms Feature:

• • Lightweight 7000 Series Aerospace-grade
    Aluminum Bodies for Maximum Strength and Durability
  • Needle Bearing Fulcrum and Roller Tip
  • Centerless Ground Trunnion
  • Centerless Ground Pin & Roller
  • Burr-Free Thru Hole in Trunnion
  • Large Machined Seat
  • Thick Walled Adjusting Nut
  • Pedestals Machined from Solid Steel
  • Black Oxide Coated Steel Parts
  • Anodized for Additional Protection and Durability
  • 100% CNC Machined in the USA
  • Exclusive LIFETIME WARRANTY*

Image is of the 1.6 Ratio.

Also fits the OLDS 403 with Edelbrock 61025 heads.