Search  for anything...

Proform 66906C Stamped Roller-Tip Rocker Arm, 1.5 Ratio, 3/8" Stud

  • Based on 111 reviews
Condition: New
Checking for the best price...
$111.20 Why this price?

Buy Now, Pay Later


As low as $18.53 / mo
  • – 6-month term
  • – No impact on credit to apply
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout.

Payment plans are offered through our trusted finance partners Klarna, Affirm, Afterpay, Zip, Apple Pay, and Google Pay. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Free shipping on this product

FREE 30-day refund/replacement

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.


Availability: In Stock.
Fulfilled by Amazon

Arrives Monday, Sep 28
Order within 31 minutes
Available payment plans shown during checkout

Protection Plan Protect Your Purchase
Checking for protection plans...

Features

  • Designed for select Chevrolet Small Block Engines
  • 1.5 Ratio for 3/8" studs
  • Extra long slot eliminates rocker to stud interference.
  • Reduces internal valve train friction
  • 16 rockers, anti-gall grooved balls and nuts per package

Description

Proform stamped roller-tip rocker arm has a 1.5 ratio 3/8" stud and fits select Chevy small block engines. Reduces internal valve train friction and valve stem wear. Extra long slot eliminates rocker to stud interference. 16 rockers, anti-gall grooved balls and nuts per package. Clamshell packaging.

Manufacturer: ‎Proform


Brand: ‎ProForm


Model: ‎SBC R/TIP ROCKE


Item Weight: ‎2.62 pounds


Product Dimensions: ‎12.75 x 9.75 x 5.5 inches


Item model number: ‎66906C


Manufacturer Part Number: ‎66906C


OEM Part Number: ‎66906C


Date First Available: February 13, 2005


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, Sep 28

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • Zip Pay in 4
  • Financing through Apple Pay
  • Financing through Google Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Roller rockers
Fit perfectly everything was in package definitely will buy these again for my next engine
Reviewed in the United States on December 16, 2025 by Take caution unboxed it configured the unit and put it together upon start up display and buttons didn't work it was trash out of the box new was is on its way and IL almost bet it fails too

  • They worked
I didnt have much to say but they work as far as i know my son didnt complain
Reviewed in the United States on February 4, 2025 by James Bunbury

  • Works well easy to install and adjust
Good product. Fit as specified.
Reviewed in the United States on December 20, 2025 by GEOLSI

  • Part
Excalty, what i ordered. Part was correct fit.
Reviewed in the United States on February 6, 2026 by Steven

  • Perfect Fit For My SBC
Good and quiet running rocker arms. Good quality and strength as well. No issues.
Reviewed in the United States on October 19, 2023 by Earthboy57

  • seem fine but i needed self alighning so returned
seem fine but i needed self alighning so returned
Reviewed in the United States on November 8, 2024 by joseph m mcmahon

  • Good quality budget horsepower
It seems to be a well-made, good quality product. i think a person can spend more and get "as good" Why spend more? If they hold up, and I expect them to, they are a bargain.
Reviewed in the United States on October 3, 2023 by MJ

  • they Fit.
Installed them on my 350 . ran good to 1st car show of the year.
Reviewed in the United States on July 10, 2023 by Amazon Customer

Can't find a product?

Find it on Amazon first, then paste the link below.
Checking for best price...