Trick Flow® by PAC Racing Beehive Valve Springs 5.7/6.1 Pre Eagle Hemi HFX-1 The ID1300x² has a minimum

The ID1300x² has a minimum fuel mass compatible with gasoline use

you can remove them from your vehicle and return them for a full product refund

We have customer cars making upwards of 1500hp and well over a 1000 passes on this setup without fail

Net gain over stock with supporting mods: 181 hp / 196 ft-lbs on only 6 lbs of boost

making your swap a good fit

Trick Flow® by PAC Racing Beehive Valve Springs 5.7/6.1 Pre Eagle Hemi HFX-1 The ID1300x² has a minimumTrick Flow by PAC Racing Beehive Valve Springs Spring Rate (lbs in.): 408 lbs. in. Ovate wire. Designed as a drop in for 5. 7L and 6. 1L Mopar Hemi Gen III and will work with up to 0. 600 in. lift and use stock retainers and locators. Valve springs compress and rebound hundreds of times a second. Make sure your next set of valve springs are built to lastand built to win! Trick Flow by PAC Racing beehive valve springs allow you to drop in a more