In brief
BC0040TS - Honda K20A/K20Z Spring/Steel Retainer/Seat Kit (High Lift) 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. WARNING: If running a late model cylinder head (af...
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BC0040TS - Honda K20A/K20Z Spring/Steel Retainer/Seat Kit (High Lift) 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. WARNING: If running a late model cylinder head (after 2004), you may need to purchase BC2940 keepers to accommodate the BC2010 or BC2011 retainers. Honda changed the keeper groove angles, therefore your stock keepers/locks may not fit the BC retainers properly causing potential damage. Type BC1040 Dual Free Length 2.030"Seat 1.590" @ 92 lbs Open 1.020" @ 270 lbs Coil Bind 0.870"Retainer BC2011Spring Seat BC2904Net Cam Lift 0.620" / 15.74mm
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