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Reviewed in the United States on March 11, 2025
Stiffer springs than factory but not by much. Still the cheap stamped rockers.
Slane Youngblood
Reviewed in the United States on February 6, 2025
Haven't put it on yet but rocker arms seem pretty sturdy and decent material
Tompkins Allen
Reviewed in the United States on February 6, 2025
I LIKE THE PRODUCT VERY WELL. I BOUGHT IT FOR A GO KART.
Aili Masuda
Reviewed in the United States on February 6, 2025
Amazing product. Fit perfectly with my go kart and was easy to put on.
Gabby Olsen
Reviewed in the United States on February 6, 2025
Use rock arms for a go kart I was working on.
Michael Eynon
Reviewed in the United States on February 24, 2025
Fits perfectly, works great, amazing quality and good price for what you get. Definitely noticed an increase in torque.
Spencer 4 Hire
Reviewed in the United States on February 23, 2025
I’m building a Honda clone engine and needed a little more fun. Instead of adding a camshaft, I added this 1.3 and springs to give it a lot more performance. I took off the original springs, and rocker arms and reinstalled with these springs and rocker arms. Note: You have to set the rocker arm clearances with a feeler gauge and adjust them to make it work correctly.
Peterson W.
Reviewed in the United States on February 16, 2025
Nice set of stiffer springs and 1.3 ratio rockers. The rockers are stamped steel. The springs feel and look pretty good quality. This upgrade is necessary if you’ve removed the governor on your motor, and will prevent floating the valves at high RPM, which happens with the soft stock springs. Springs are 26 pounds. Good for upgraded camshafts. Price is good.
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