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PAC 600" lift valve springs gives you all of the performance at a fraction of the cost. These springs pair perfectly with our Low Buck Truck or truck Plus cams. They are also a great option for replacing worn out or broken springs in stock applications. Specs are below. These spring utilize the stock retainers and keeper-making them easy
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Haven’t ran the motor yet but package was nice quality, price was great, and installation was simple. Can’t wait to fire it up!
C
christopher · 11 days ago
PAC Quality and a good price
PAC Quality spings no problems
If they weren’t proven reliable
Richard wouldn’t sell them
R
RICHARD · August 3, 2026
Comes in sealed plastic....fine with me....buying bulk keeps price low.....PAC needs no explaination of quality....best in the biz.