Shock service: vehicle and tuning information
We tune every service to your car on our shock dyno. Tell us about it so we can set up your dampers. If you're not sure about something, pick your best estimate or "Not sure".
Vehicle *
Year 2027 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981
Make Acura Audi BMW Chevrolet Ferrari Fiat Ford Honda Hyundai Kia Lamborghini Lexus Lotus Mazda Mercedes-Benz MINI Mitsubishi Nissan Porsche Scion Subaru Tesla Toyota Volkswagen Other
Primary use *
Select one Street / Daily Driver Autocross Track Day / HPDE Wheel-to-wheel racing
Tires * Front size
Width 175 185 195 205 215 225 235 245 255 265 275 285 295 305 315 325 335 345
Aspect 25 30 35 40 45 50 55 60 65
Wheel 13" 14" 15" 16" 17" 18" 19" 20"
Rear size
Width 175 185 195 205 215 225 235 245 255 265 275 285 295 305 315 325 335 345
Aspect 25 30 35 40 45 50 55 60 65
Wheel 13" 14" 15" 16" 17" 18" 19" 20"
Brand / model
Select tire Hoosier A7 Hoosier R7 Bridgestone RE-71RS Yokohama A052 Nankang CR-S Kumho V730 Toyo RR Continental ECF Avon slick Other
Total weight and weight distribution *
Total weight
Under 2,000 lbs
2,000-2,250 lbs
2,250-2,500 lbs
2,500-2,750 lbs
2,750-3,000 lbs
3,000-3,250 lbs
3,250-3,500 lbs
3,500+ lbs
Not sure
Front / rear % 40/60 41/59 42/58 43/57 44/56 45/55 46/54 47/53 48/52 49/51 50/50 51/49 52/48 53/47 54/46 55/45 56/44 57/43 58/42 59/41 60/40 61/39 62/38 Not sure
Current spring rates *
Front 150 lb/in (2.7 kg/mm) 200 lb/in (3.6 kg/mm) 250 lb/in (4.5 kg/mm) 300 lb/in (5.4 kg/mm) 350 lb/in (6.3 kg/mm) 400 lb/in (7.1 kg/mm) 450 lb/in (8.0 kg/mm) 500 lb/in (8.9 kg/mm) 550 lb/in (9.8 kg/mm) 600 lb/in (10.7 kg/mm) 650 lb/in (11.6 kg/mm) 700 lb/in (12.5 kg/mm) 750 lb/in (13.4 kg/mm) 800 lb/in (14.3 kg/mm) 850 lb/in (15.2 kg/mm) 900 lb/in (16.1 kg/mm) 950 lb/in (17.0 kg/mm) 1000 lb/in (17.9 kg/mm) 1050 lb/in (18.8 kg/mm) 1100 lb/in (19.6 kg/mm) 1150 lb/in (20.5 kg/mm) 1200 lb/in (21.4 kg/mm) 1250 lb/in (22.3 kg/mm) 1300 lb/in (23.2 kg/mm) 1350 lb/in (24.1 kg/mm) 1400 lb/in (25.0 kg/mm) 1450 lb/in (25.9 kg/mm) 1500 lb/in (26.8 kg/mm) Not sure
Rear 150 lb/in (2.7 kg/mm) 200 lb/in (3.6 kg/mm) 250 lb/in (4.5 kg/mm) 300 lb/in (5.4 kg/mm) 350 lb/in (6.3 kg/mm) 400 lb/in (7.1 kg/mm) 450 lb/in (8.0 kg/mm) 500 lb/in (8.9 kg/mm) 550 lb/in (9.8 kg/mm) 600 lb/in (10.7 kg/mm) 650 lb/in (11.6 kg/mm) 700 lb/in (12.5 kg/mm) 750 lb/in (13.4 kg/mm) 800 lb/in (14.3 kg/mm) 850 lb/in (15.2 kg/mm) 900 lb/in (16.1 kg/mm) 950 lb/in (17.0 kg/mm) 1000 lb/in (17.9 kg/mm) 1050 lb/in (18.8 kg/mm) 1100 lb/in (19.6 kg/mm) 1150 lb/in (20.5 kg/mm) 1200 lb/in (21.4 kg/mm) 1250 lb/in (22.3 kg/mm) 1300 lb/in (23.2 kg/mm) 1350 lb/in (24.1 kg/mm) 1400 lb/in (25.0 kg/mm) 1450 lb/in (25.9 kg/mm) 1500 lb/in (26.8 kg/mm) Not sure
Aero *
Select one Yes No
Sway bars *
Select one Stock Aftermarket front Aftermarket rear Aftermarket front + rear None / removed
Service goal *
Select one Refresh to current valving More grip / stiffer More compliance / softer Fix a handling problem Dyno test only Let Shaftworks recommend
Ride preference *
Select one Comfort-biased Balanced Max grip / stiff
* Required. Your answers are saved with your order.
