BTR: PLATINUM DUAL VALVE SPRING SET - .660" LIFT - SP001-16 12588670 25 x 92mm)

25 x 92mm)

This design eliminates the use of gaskets or sealants and always goes back to its original form

- Precision engineered primary tubes maximize performance and fit

This one piece designed connection pipe features heavy-duty flanges and factory O2 sensors so there is no modifying

2L Gas 2009-2013 GMC Sierra 1500 V8 4

BTR: PLATINUM DUAL VALVE SPRING SET - .660" LIFT - SP001-16 12588670 25 x 92mm)BTR's . 660 lift Platinum Springs are the most popular dual springs in our lineup, and for good reason! Whether youre putting together a rowdy stroker motor or are applying additional pressure via forced induction, the Platinum Springs are up to the task of controlling your valvetrain. SP SK001 are recommended for use with stock rockers. For roller rocker applications, check out SP SK002. 155 lbs @ 1. 780 380 lbs @ 1. 180 400 lbs @ 1. 130 Coil bind @