PSI Pro Stock Valve Springs Vortex Head RLM1221
- Product Code: PSI 1221 RLM
- Availability: In Stock
-
AU$85.00
Now featuring, dual high-lift valve springs from PSI (Performance Springs Inc.) . PSI is a leading manufacturer of high performance valve springs since 1996.
Every PSI spring begins with wire that is made from the highest quality Chrome-Silicon alloys. The 1200 Series builds on this by employing advanced heat-treating operations. These heat treatments increase the strength of the base materials. This increase in strength results in improvement to the fatigue limit of the wire and better resistance to load loss. These factors together allow the engine builder to push the valve train set-up to the next level.
| DR 1221 RML | Dual... | 1.215" | 0.890" | 0.650" | 150 lbs @ 1.400" | 450 lbs @ 0.750" | 462.0" | 0.075" | 0.650" | 0.710" | |
| DR 1222 RML | Dual... | 1.215" | 0.890" | 0.650" | 150 lbs @ 1.450" | 473 lbs @ 0.750" | 461.0" | 0.075" | 0.700" | 0.710" | |
| DR 1223 RML | Dual... | 1.215" | 0.890" | 0.650" | 165 lbs @ 1.450" | 488 lbs @ 0.750" | 461.0" | 0.075" | 0.700" | 0.710" |
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Tags: PSI Pro Stock Valve Springs Vortex Head RLM1221