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 | BC1010 Dual | 
| Free Length | 1.607″ | 
| Seat | 1.350″ @ 80 lbs | 
| Open | 0.900″ @ 220 lbs | 
| Coil Bind | 0.765″ | 
| Retainer | BC2651 | 
| Spring Seat | BC2939 | 
| Net Cam Lift | 0.500″ / 12.7mm | 




 
				 
				 
				 
				 
				 
				 
				 
				
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