In warehouse stock

Progressive Suspension Shock Springs — 105-150 lb/in — Black

Progressive Suspension · #DS-310032 · Rear Suspension / Hardware & Accessories

Selecting your own springs allows fine tuning for your specific needs
Made in the U.S.A.
These springs must be ordered when ordering 12-series shocks.
Can be used as replacements for the 412-series shocks.

$97.95

In stock. Ships in 2–4 business days · free shipping over $150.

Questions? Call the shop: 801-361-3010

Real shop · real humans · 1231 N 1300 W Ste A, Centerville, UT 84014

Description & features4 features

These springs will not fit shock parts #s DS-222003, DS-222009, or DS-310087.

Selecting your own springs allows fine tuning for your specific needs
Made in the U.S.A.
These springs must be ordered when ordering 12-series shocks.
Can be used as replacements for the 412-series shocks.

Specifications13 specs

Mounting Position: Rear
Riding Style: Street
Progressive Spring Rate: 1.88 kg/mm - 2.68 kg/mm, 105.00 lb/in - 150.00 lb/in
Color/Finish: Black
Duty: Heavy Duty
Length: 9.37"
Type: Shock
Model: 12 Series
Spring Type: Single Progressive Rate
Units: Pair
Shipping weight: 3.9 lb
Package size: 17.1 × 6.7 × 4.1 in
Country of origin: Taiwan

Fitment155 models · BMW, Honda, Kawasaki, Laverda, Moto Guzzi, Norton, Suzuki, Yamaha

BMW14 models

R 901973–1984
R 90 S1977–1984
R1001976–1984
R451979–1984
R60/61974–1976
R651979–1984
R751973–1977
R75 /51974–1980
R75 /71973–1975
R75/51973
R75/61973–1976
R75/71976–1977
R80/71978–1983
R90S1973–1976

Honda29 models

CB10001993–1996
CB1000C1983
CB11001982–1983
CB1100F1983
CB650SC Nighthawk1982–1985
CB750 Nighthawk1982–1983, 1991–2003
CB750A Automatic1976–1978
CB750A Hondamatic1979–1982
CB750C Custom1976–1982
CB750F1975–1982
CB750K1969–1982
CB750SC Nighthawk1982–1983, 1991–2000, 2002
CB900C Custom1980–1982
CB900F 9191980–1982
CB900F Super Sport1980–1982
CBX1979–1980
CX5001978–1982
CX500C Custom1980–1982
GL1000 Gold Wing1975–1979
GL1100 Gold Wing1980–1983
VF1100C V65 Magna1983–1986
VF700C Magna1984–1986
VF750C V45 Magna1982–1983
VT1100C Shadow1985–1986
VT500C Shadow1983–1984
VT500FT Ascot1983–1984
VT700C Shadow1984–1987
VT750C Shadow1983
VT750C/CD Shadow ACE1998–2003

Kawasaki39 models

GPZ 11001981–1982
KZ 10001977–1982
KZ 1000 B Ltd1976, 1981–1982
KZ 1000 D Z1R1976–1977
KZ 1000 E ST1981
KZ 1000 K Ltd1976–1980
KZ 1000 R Lawson Replica1981
KZ 1100 L Ltd1984–1985
KZ 750 E1980–1983
KZ 750 Gpz1982
KZ 900 A1978–1980
KZ 900 B Ltd1977–1980
KZ1000A/J1981–1983
KZ1000B/K LTD1977–1982
KZ1000D Z1R1978–1980
KZ1000E Shaft1979–1980
KZ1000M CSR1981–1982
KZ1000R Lawson Replica1982–1983
KZ1100A1981–1983
KZ1100B GPZ1981–1982
KZ13001979–1982
KZ750H LTD1980–1983
KZ900 LTD1976
KZ900/Z11976–1977
VN 1500 B Vulcan 88 SE1991–1999
VN 1500 C Vulcan L1987–1995, 1998–1999
VN1500A Vulcan 15001996–1999
VN1500A Vulcan 881987–1995
VN1500B Vulcan 88 SE1987–1990
VN1500C Vulcan L1996–1997
VN700A Vulcan1985
VN750A Vulcan 7501986–2006
ZL 1000 A Eliminator1985–1986
ZL 900 A Eliminator1987
ZL1000 Eliminator1987
ZL900A Eliminator1985–1986
ZN1100B LTD1984–1985
ZR 1100 Zephyr1992–1993
ZR11001994–1995

Laverda3 models

10001975–1981
12001975–1981
7501972–1982

Moto Guzzi11 models

1000 SP1977–1983
California 1000 II1976–1986
Eldorado 8501972–1982
LeMans 10001972–1993
T5 8501983–1987
V501979
V50 II1980
V50 III1981–1983
V50 Monza1981–1983
V65 Lario1984–1986
V7 Sport1971–1974

Norton1 models

Commando 8501972–1978

Suzuki31 models

Boulevard 1400 S832009
GS 10001980
GS 1100 G1984
GS 1100 GK1984
GS 1100 L1982–1983
GS 650 GT Katana1981–1986
GS 750 E1977
GS 750 L1977–1978, 1982
GS10001978–1979
GS1000E1978–1980
GS1000G1980–1981
GS1000S Katana1982
GS1100E1980–1983
GS1100G1982–1983
GS1100GK1982–1983
GS1100S Katana1983
GS650GL1981–1983
GS750E1978–1982
GS750L1979–1981
GS750S Katana1983
GS850G1979–1983
GSX 1100 E1979–1985
Intruder 1400 G1987–1999, 2003
Intruder 750 G1988–1991
Intruder 800 G1992–2002
RE51975–1976
RE5 Rotary1974, 1977
S83 Boulevard2005–2008
VS Boulevard 800 G1992–2002, 2004–2005
VS700 Intruder1985–1987
VX8001990–1993

Yamaha27 models

FZX700 Fazer1986–1987
VMX 1200 V-Max1985–2007
XJ 700 X Maxim1986
XJ 750 Maxim1981
XJ 9001984–1994
XJ 900 R Seca1983
XJ1100 Maxim1982
XJ700X Maxim X1985
XJ750 Maxim1982–1983
XJ750R Seca1981–1983
XS 7501980–1981
XS 750 E Special1979
XS 750 F Special1979
XS11001978–1981
XS1100S Special1979–1981
XS4001980–1981
XS750S1978–1979
XS8501980–1981
XS850S Special1980–1981
XV 1000 Virago1986–1988
XV 535 Virago1989
XV1000 Virago1984–1985
XV1100 Virago1986–1999
XV535 Virago1987–1988, 1990–2000
XV700 Virago1984–1987
XV750 Virago1988–1997
YX600 Radian1986–1990

Fitment comes from the distributor’s catalog. Double-check your year, model and trim before you order — or call the counter at 801-361-3010 and we’ll check it with you.

Part numbers

Salto part #: DS-310032
Progressive Suspension part #: 03-1368B

Shipping

In stock at a distributor warehouse. Ships in 2–4 business days by ground.

Ground shipping is $14.95, free on orders over $150. Stock is re-checked with the warehouse before your card is charged.

Questions4 answers

Is it in stock?: Yes — the distributor shows it on a shelf at a regional warehouse right now. We check again the moment you order, before anything is charged.
How fast will it get to me?: Usually 2–4 business days by ground.
Will it fit my machine?: The distributor lists it for the models in the Fitment section above. Not sure about your trim or year? Call the counter at 801-361-3010 and we’ll check it with you.
Is this genuine Progressive Suspension?: Yes. It ships new from the same distributors the big online stores buy from — Progressive Suspension part #03-1368B.