Belltech Street Performance Twintube Steel Shock - Silver Paint - Front - 0 to 3" Lowered - Various Applications MT-SW-FORD-LD which gives them about 1000%

which gives them about 1000% (that's ten times) better fatigue strength than those studs that are threaded prior to heat-treat (a very common industry practice)

External Seams

AFCO Coil-Over Hardware Kit includes all components necessary to convert AFCO Reactor or AFCO Eliminator shocks to a coil-over spring

Meets SFI 37

Belltech Street Performance Twintube Steel Shock - Silver Paint - Front - 0 to 3" Lowered - Various Applications MT-SW-FORD-LD which gives them about 1000%Street Performance Premium Replacement Twin Tube Gas Charged Shock Absorber for Lowered Truck and SUV See Application Gude For Fitment Large 45mm body diameters and twin tube design allow for larger oil volume and better heat dissipation leading to increased shock life Large 35mm piston and valves allow greater hydraulic control during quick wheel movements and long shock travel Low friction sealing and guide system? creates a quick reacting damper