For those that are interested in seriously tuning their motors, here is the complete list of Orion motor springs, listed from Softest to hardest. We stock them all. SoftEST
orn41390 ORN41390 Revolution Springs Soft 1.8 N/mm (11 coil)
orn41391 ORN41391 Revolution Springs medium 1.9 N/mm (10 coil)
orn41392 ORN41392 Revolution Springs medium hard 2.2 N/mm (9 coil)
orn41393 ORN41393 Revolution Springs hard 2.3 N/mm (8 coil)
orn41382 ORN41382 Revolution Springs MR032 3.8 N/mm (9 coil)
orn41383 ORN41383 Revolution Springs MR032 4.3 N/mm (8 coil)
orn41386 ORN41386 Revolution Springs MR035 5.2 N/mm (10 coil)
orn41387 ORN41387 Revolution Springs MR035 5.6 N/mm ( 9 coil)
FIRMEST
