Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary processing procedures for consistent pressures.
| Type | Dual | 
| Free Length | 1.800″ | 
| Seat | 1.550″ @ 92 lbs | 
| Open | 1.100″ @ 235 lbs | 
| Coil Bind | 0.970″ | 
| Retainer | BC2120 | 
| Spring Seat | BC2910 | 
| Net Cam Lift | 0.520″ / 13.2mm | 




				
				
				
				
				
				
				
				
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