• Drag part number: DS-310030
• Manufacturer Number: 03-1394B
• 12 series shocks are gas-charged for superior, fade-free damping and consistent operation
• Six-stage, automatic damping - designed with a special anti-topping function
• Double-wall shock body construction for piston protection and long life
• Standard spring is recommended for bike as sold new, excluding any accessories, rider weight under 200 lb. and passenger use limited to under 50% of the time. Heavy-duty spring is recommended for riders over 200 lb., passenger usage over 50% of the time and/or add-on accessories of considerable weight.

• Product Name: Shock Spring
• Type: Fits 12.50", 13.00", 13.50" and 14.25" Shock
• Model: 12 Series
• Duty: Standard
• Color/Finish: Black
• Length: 9.75"
• Progressive Spring Rate: 75.00 lb/in - 120.00 lb/in
• Progressive Spring Rate: 1.34 kg/mm - 2.14 kg/mm
• Spring Type: Single Progressive Rate
• Mounting Position: Rear
• Units: Pair
• Riding Style: Offroad
• Riding Style: Street

1979hondacm450ahondamatic 1980hondacm450ahondamatic 1981hondacm450ahondamatic 1982hondacm450ahondamatic 1983hondacm450ahondamatic 1968hondacl450kscrambler 1969hondacl450kscrambler 1970hondacl450kscrambler 1971hondacl450kscrambler 1972hondacl450kscrambler 1973hondacl450kscrambler 1974hondacl450kscrambler 1975hondacl450kscrambler 1976hondacl450kscrambler 1968hondacl350kscrambler 1969hondacl350kscrambler 1970hondacl350kscrambler 1971hondacl350kscrambler 1972hondacl350kscrambler 1973hondacl350kscrambler 1979hondacb650 1980hondacb650 1981hondacb650 1982hondacb650 1974hondacb360 1975hondacb360 1976hondacb360 1977hondacb360 1974hondacl360kscrambler 1975hondacl360kscrambler 1976hondacl360kscrambler 1977hondacl360kscrambler 1979hondacm200ttwinstar 1980hondacm200ttwinstar 1982hondaft500ascot 1983hondaft500ascot 1974hondacj360t 1975hondacj360t 1976hondacj360t 1977hondacj360t 1979hondacm450e 1980hondacm450e 1981hondacm450e 1982hondacm450e 1983hondacm450e 1979hondacm400e 1980hondacm400e 1981hondacm400e 1974hondacb550k 1975hondacb550k 1976hondacb550k 1977hondacb550k 1978hondacb550k 1989hondagb500touristtrophy 1990hondagb500touristtrophy 1974hondacb550fsupersport 1975hondacb550fsupersport 1976hondacb550fsupersport 1977hondacb550fsupersport 1978hondacb550fsupersport 1979hondacm400ccustom 1980hondacm400ccustom 1981hondacm400ccustom 1979hondacm185ttwinstar 1980hondacm185ttwinstar 1980hondacb250rs 1981hondacb250rs 1982hondacb250rs 1983hondacb250rs 1984hondacb250rs 1968hondacb450 1969hondacb450 1970hondacb450 1971hondacb450 1972hondacb450 1973hondacb450 1974hondacb450 1975hondacb450 1976hondacb450 1973hondacb400fcb1 1974hondacb400fcb1 1975hondacb400fcb1 1976hondacb400fcb1 1977hondacb400fcb1 1979hondacm450ccustom 1980hondacm450ccustom 1981hondacm450ccustom 1982hondacm450ccustom 1983hondacm450ccustom 1968hondacb350 1969hondacb350 1970hondacb350 1971hondacb350 1972hondacb350 1973hondacb350 1973hondacb350f1 1974hondacb350f1 1975hondacb350f1 1976hondacb350f1 1977hondacb350f1 1974hondacb360t 1975hondacb360t 1976hondacb360t 1977hondacb360t 1979hondacm400t 1980hondacm400t 1981hondacm400t 1971hondacb500 1972hondacb500 1973hondacb500 1992hondacb400 1993hondacb400 1974hondacb360g 1975hondacb360g 1976hondacb360g 1977hondacb360g 1979hondacm400ahondamatic 1980hondacm400ahondamatic 1981hondacm400ahondamatic 1980hondacb650ccustom 1981hondacb650ccustom 1985hondaxbr500 1986hondaxbr500 1987hondaxbr500 1988hondaxbr500 1989hondaxbr500 1975hondacb500t 1976hondacb500t 1984hondavf500cmagnav30 1985hondavf500cmagnav30 1986hondavf500cmagnav30 1986hondacb350s 1987hondacb350s 1988hondacb350s 1992hondacb750f 1993hondacb750f 1994hondacb750f 1995hondacb750f 1996hondacb750f 1973hondacb350fsupersport 1974hondacb350fsupersport 1975hondacb350fsupersport 1976hondacb350fsupersport 1977hondacb350fsupersport 1973hondacb400fsupersport 1974hondacb400fsupersport 1975hondacb400fsupersport 1976hondacb400fsupersport 1977hondacb400fsupersport 1977kawasakikz650b 1978kawasakikz650b 1979kawasakikz650b 1980kawasakikz650b 1981kawasakikz650b 1982kawasakikz650b 1983kawasakikz650b 1980kawasakikz650eltd 1986kawasakizl600a 1987kawasakizl600a 1980kawasakikz550cltd 1981kawasakikz550cltd 1982kawasakikz550cltd 1983kawasakikz550cltd 1974kawasakikh400a 1975kawasakikh400a 1976kawasakikh400a 1977kawasakikh400a 1978kawasakikh400a 1980kawasakikz550mltd 1981kawasakikz550mltd 1982kawasakikz550mltd 1983kawasakikz550mltd 1981kawasakikz650hcsr 1982kawasakikz650hcsr 1983kawasakikz650hcsr 1980kawasakikz400 1981kawasakikz400 1982kawasakikz400 1983kawasakikz400 1973kawasakiz1900 1974kawasakiz1900 1975kawasakiz1900 1980kawasakikz550fspectre 1981kawasakikz550fspectre 1982kawasakikz550fspectre 1983kawasakikz550fspectre 1981kawasakikz350 1982kawasakikz350 1983kawasakikz350 1980kawasakikz250lcsr 1981kawasakikz250lcsr 1982kawasakikz250lcsr 1980kawasakikz550a 1981kawasakikz550a 1982kawasakikz550a 1983kawasakikz550a 1979kawasakikz650ccustom 1980kawasakikz550dgpz 1981kawasakikz550dgpz 1976kawasakikz750twin 1977kawasakikz750twin 1978kawasakikz750twin 1979kawasakikz750twin 1980kawasakikz750twin 1980kawasakikz650f 1980kawasakikz250dcsr 1981kawasakikz250dcsr 1982kawasakikz250dcsr 1978kawasakikz650dsr 1979kawasakikz650dsr 1976kawasakikh500a 1972kawasakih2750machiv 1973kawasakih2750machiv 1974kawasakih2750machiv 1975kawasakih2750machiv 1985kawasakien450a454ltd 1986kawasakien450a454ltd 1987kawasakien450a454ltd 1988kawasakien450a454ltd 1989kawasakien450a454ltd 1990kawasakien450a454ltd 1980kawasakikz440altd 1981kawasakikz440altd 1982kawasakikz440altd 1983kawasakikz440altd 1975kawasakikz440b 1976kawasakikz440b 1977kawasakikz440b 1978kawasakikz440b 1979kawasakikz440b 1980kawasakikz440b 1981kawasakikz440b 1982kawasakikz440b 1983kawasakikz440b 1980kawasakikz440dltd 1981kawasakikz440dltd 1982kawasakikz440dltd 1983kawasakikz440dltd 1980kawasakikz440g 1981kawasakikz440g 1982kawasakikz440g 1983kawasakikz440g 1979kawasakikz250 1980kawasakikz250 1981kawasakikz250 1982kawasakikz250 1980kawasakikz550fltd 1981kawasakikz550fltd 1982kawasakikz550fltd 1983kawasakikz550fltd 1975kawasakik400j 1976kawasakik400j 1977kawasakik400j 1978kawasakik400j 1979kawasakik400j 1980kawasakik400j 2000kawasakiw650 2001kawasakiw650 2002kawasakiw650 1981kawasakikz305 1982kawasakikz305 1983kawasakikz305 1980kawasakikz550hgpz 1981kawasakikz550hgpz 1983suzukigs650mkatana 1977suzukigs550 1978suzukigs550 1979suzukigs550 1980suzukigs550 1981suzukigs550 1982suzukigs550 1981suzukigs650g 1982suzukigs650g 1983suzukigs650g 1980suzukign400t 1981suzukign400t 1982suzukign400t 1982suzukigs450ga 1983suzukigs450ga 1972suzukigt380sebring 1973suzukigt380sebring 1974suzukigt380sebring 1975suzukigt380sebring 1976suzukigt380sebring 1977suzukigt380sebring 1980suzukigs450e 1981suzukigs450e 1982suzukigs450e 1983suzukigs450e 1981suzukigs650l 1982suzukigs650l 1972suzukigt500titan 1973suzukigt500titan 1974suzukigt500titan 1975suzukigt500titan 1976suzukigt500titan 1977suzukigt500titan 1979suzukigs425 1981suzukigs650e 1980suzukigs450l 1981suzukigs450l 1982suzukigs450l 1983suzukigs450l 1972suzukigt550indy 1973suzukigt550indy 1974suzukigt550indy 1975suzukigt550indy 1976suzukigt550indy 1977suzukigt550indy 1972suzukigt185adventurer 1973suzukigt185adventurer 1974suzukigt185adventurer 1975suzukigt185adventurer 1976suzukigt185adventurer 1977suzukigt185adventurer 1981suzukigs250 1982suzukigs250 1980suzukign400x 1981suzukign400x 1982suzukign400x 1977suzukigs400 1978suzukigs400 1980suzukigs400 1981suzukigs400 1982suzukigs400 1983suzukigs400 1984suzukigs400 1985suzukigs400 1978suzukigs500 1979suzukigs500 1980suzukigs500 1981suzukigs500 1982suzukigs500 1983suzukigs500 1980suzukigsx400e 1981suzukigsx400e 1982suzukigsx400e 1983suzukigsx400e 1984suzukigsx400e 1985suzukigsx400e 1983suzukigs300l 1987suzukign250 1988suzukign250 1989suzukign250 1990suzukign250 1991suzukign250 1992suzukign250 1993suzukign250 1994suzukign250 1995suzukign250 1980suzukigsx250 1981suzukigsx250 1982suzukigsx250 1983suzukigsx250 1984suzukigsx250 1972suzukigt250hustler 1973suzukigt250hustler 1974suzukigt250hustler 1975suzukigt250hustler 1976suzukigt250hustler 1977suzukigt250hustler 1978suzukisp370 1979suzukisp370 1980suzukisp400 1977ducatidarmah900 1978ducatidarmah900 1979ducatidarmah900 1980ducatidarmah900 1981ducatidarmah900 1982ducatidarmah900 1983ducatidarmah900 1984ducatidarmah900 1985ducatidarmah900 1980ducatipantah600sl 1981ducatipantah600sl 1982ducatipantah600sl 1983ducatipantah600sl 1984ducatipantah600sl 1985ducatipantah600sl 1975ducatigt860 1976ducatigt860 1977ducatigt860 1976ducatidarmah900ss 1977ducatidarmah900ss 1978ducatidarmah900ss 1979ducatidarmah900ss 1980ducatidarmah900ss 1981ducatidarmah900ss 1982ducatidarmah900ss 1983ducatidarmah900ss 1984ducatidarmah900ss 1985ducatidarmah900ss 1980ducati500pantah 1981ducati500pantah 1982ducati500pantah 1983ducati500pantah 1984ducati500pantah 1985ducati500pantah 1976ducati1000mhr 1977ducati1000mhr 1978ducati1000mhr 1979ducati1000mhr 1980ducati1000mhr 1981ducati1000mhr 1982ducati1000mhr 1983ducati1000mhr 1984ducati1000mhr 1985ducati1000mhr 1986ducati1000mhr 1987ducati1000mhr 1971ducati250 1972ducati250 1973ducati250 1974ducati250 1975ducati250 1976ducati250 1977ducati250 1978ducati250 1977ducati750darmah 1978ducati750darmah 1979ducati750darmah 1980ducati750darmah 1981ducati750darmah 1982ducati750darmah 1983ducati750darmah 1984ducati750darmah 1985ducati750darmah 1977ducati900gt 1978ducati900gt 1979ducati900gt 1977ducati500gtl 1980ducati600slpantah 1981ducati600slpantah 1982ducati600slpantah 1983ducati600slpantah 1984ducati600slpantah 1985ducati600slpantah 1976ducati900ss 1977ducati900ss 1978ducati900ss 1979ducati900ss 1980ducati900ss 1981ducati900ss 1982ducati900ss 1983ducati900ss 1984ducati900ss 1985ducati900ss 1977ducatigts900 1978ducatigts900 1979ducatigts900 1972ducati750s 1973ducati750s 1974ducati750s 1975ducati750s 1976ducati750s 1977ducati750s 1972ducatigt750 1973ducatigt750 1974ducatigt750 1975ducatigt750 1976ducatigt750 1977ducatigt750 1972ducatis750 1973ducatis750 1974ducatis750 1975ducatis750 1976ducatis750 1977ducatis750 1982yamahaxj650lturboseca 1983yamahaxj650lturboseca 1980yamahaxj650maxim 1981yamahaxj650maxim 1982yamahaxj650maxim 1983yamahaxj650maxim 1981yamahaxj550 1982yamahaxj550 1983yamahaxj550 1975yamahaxs650 1976yamahaxs650 1977yamahaxs650 1978yamahaxs650 1979yamahaxs650 1980yamahaxs650 1981yamahaxs650 1982yamahaxs650 1983yamahaxs650 1982yamahaxj650rseca 1977yamahasr500 1978yamahasr500 1979yamahasr500 1980yamahasr500 1981yamahasr500 1982yamahasr500 1983yamahasr500 1976yamahard400 1977yamahard400 1978yamahard400 1979yamahard400 1983yamahags300 1975yamahaxs650twin 1976yamahaxs650twin 1977yamahaxs650twin 1978yamahaxs650twin 1979yamahaxs650twin 1980yamahaxs650twin 1981yamahaxs650twin 1982yamahaxs650twin 1983yamahaxs650twin 1982yamahaxj750maxim 1983yamahaxj750maxim 1984yamahaxj750maxim 1973yamahard350 1974yamahard350 1975yamahard350 1976yamahard350 1977yamahaxs360 1978yamahaxs360 1979yamahaxs360 1980yamahaxs360 1981yamahaxs360 1978yamahaxs400 1979yamahaxs400 1980yamahaxs400 1981yamahaxs400 1982yamahaxs400 1983yamahaxs400 1981yamahaxj550maxim 1982yamahaxj550maxim 1983yamahaxj550maxim 1977yamahasr250exciter 1978yamahasr250exciter 1979yamahasr250exciter 1980yamahasr250exciter 1981yamahasr250exciter 1982yamahasr250exciter 1983yamahasr250exciter 1984yamahasr250exciter 1985yamahasr250exciter 1986yamahasr250exciter 1987yamahasr250exciter 1988yamahasr250exciter 1989yamahasr250exciter 1990yamahasr250exciter 1991yamahasr250exciter 1992yamahasr250exciter 1993yamahasr250exciter 1994yamahasr250exciter 1995yamahasr250exciter 1980yamahaxj400 1981yamahaxj400 1982yamahaxj400 1983yamahaxj400 1977yamahaxs400sspecial 1978yamahaxs400sspecial 1979yamahaxs400sspecial 1980yamahaxs400sspecial 1981yamahaxs400sspecial 1982yamahaxs400sspecial 1983yamahaxs400sspecial 1981yamahaxj550rseca 1982yamahaxj550rseca 1983yamahaxj550rseca 1993yamahaxjr400 1972motoguzzit3850 1973motoguzzit3850 1974motoguzzit3850 1975motoguzzit3850 1976motoguzzit3850 1977motoguzzit3850 1978motoguzzit3850 1979motoguzzit3850 1980motoguzzit3850 1981motoguzzit3850 1982motoguzzit3850 1983motoguzzit3850 1979motoguzziv50 1980motoguzziv50 1981motoguzziv50 1982motoguzziv50 1983motoguzziv50 1972motoguzzit850 1973motoguzzit850 1974motoguzzit850 1975motoguzzit850 1976motoguzzit850 1977motoguzzit850 1978motoguzzit850 1979motoguzzit850 1980motoguzzit850 1981motoguzzit850 1982motoguzzit850 1976motoguzzi850t3 1977motoguzzi850t3 1978motoguzzi850t3 1979motoguzzi850t3 1983motoguzzi850t3 1980motoguzzit4850 1981motoguzzit4850 1982motoguzzit4850 1983motoguzzit4850 1978motoguzzi850lemansii 1979motoguzzi850lemansii 1980motoguzzi850lemansii 1981motoguzzi850lemansii 1976motoguzzi850lemansiii 1977motoguzzi850lemansiii 1978motoguzzi850lemansiii 1979motoguzzi850lemansiii 1980motoguzzi850lemansiii 1981motoguzzi850lemansiii 1982motoguzzi850lemansiii 1983motoguzzi850lemansiii 1981motoguzzilm850iii 1982motoguzzilm850iii 1983motoguzzilm850iii 1976motoguzzilemans850 1977motoguzzilemans850 1978motoguzzilemans850 1979motoguzzilemans850 1980motoguzzilemans850 1981motoguzzilemans850 1982motoguzzilemans850 1972triumphtr120 1973triumphtr120 1972triumphtr140 1973triumphtr140 1974triumphtr140 1975triumphtr140 1976triumphtr140 1977triumphtr140 1978triumphtr140 1979triumphtr140 1980triumphtr140 1981triumphtr140 1982triumphtr140 1983triumphtr140 1971triumphbonnevillet100 1972triumphbonnevillet100 1973triumphbonnevillet100 1974triumphbonnevillet100 1971triumphtr6 1972triumphtr6 1970triumphbonnevillet120 1971triumphbonnevillet120 1972triumphbonnevillet120 1973triumphbonnevillet140e 1974triumphbonnevillet140e 1975triumphbonnevillet140e 1976triumphbonnevillet140e 1977triumphbonnevillet140e 1978triumphbonnevillet140e 1979triumphbonnevillet140e 1980triumphbonnevillet140e 1981triumphbonnevillet140e 1982triumphbonnevillet140e 1983triumphbonnevillet140e 1973triumphbonnevillet140es 1974triumphbonnevillet140es 1975triumphbonnevillet140es 1976triumphbonnevillet140es 1977triumphbonnevillet140es 1978triumphbonnevillet140es 1979triumphbonnevillet140es 1980triumphbonnevillet140es 1981triumphbonnevillet140es 1982triumphbonnevillet140es 1983triumphbonnevillet140es 1973triumphbonnevillet140v 1974triumphbonnevillet140v 1975triumphbonnevillet140v 1976triumphbonnevillet140v 1977triumphbonnevillet140v 1978triumphbonnevillet140v 1979triumphbonnevillet140v 1980triumphbonnevillet140v 1981triumphbonnevillet140v 1982triumphbonnevillet140v 1983triumphbonnevillet140v 1973triumphbonnevillet140d 1974triumphbonnevillet140d 1975triumphbonnevillet140d 1976triumphbonnevillet140d 1977triumphbonnevillet140d 1978triumphbonnevillet140d 1979triumphbonnevillet140d 1980triumphbonnevillet140d 1981triumphbonnevillet140d 1982triumphbonnevillet140d 1983triumphbonnevillet140d 1970laverda1000 1971laverda1000 1972laverda1000 1973laverda1000 1974laverda1000 1975laverda1000 1976laverda1000 1977laverda1000 1978laverda1000 1979laverda1000 1980laverda1000 1981laverda1000 1982laverda1000 1973laverda750f 1974laverda750f 1975laverda750f 1976laverda750f 1977laverda750f 1978laverda750f 1979laverda750f 1973laverda500zeta 1974laverda500zeta 1975laverda500zeta 1976laverda500zeta 1977laverda500zeta 1978laverda500zeta 1979laverda500zeta 1970laverda750 1971laverda750 1972laverda750 1973laverda750 1974laverda750 1975laverda750 1976laverda750 1977laverda750 1978laverda750 1979laverda750 1980laverda750 1981laverda750 1982laverda750 1979laverda350 1980laverda350 1981laverda350 1982laverda350 1983laverda350 1984laverda350 1985laverda350 1983laverda1000rga 1984laverda1000rga 1985laverda1000rga 1983laverda1000rgs 1984laverda1000rgs 1985laverda1000rgs 1972hyosunggt250 1973hyosunggt250 1974hyosunggt250 1975hyosunggt250 1976hyosunggt250 1977hyosunggt250