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We know when customers receive their orders there is always the possibility of needing to exchange or return items for a refund. Rest assured if you need to, we make it simple. See T&C's for more details.

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Price Match Promise 
We offer a price match promise on all items we sell. Use the "Seen it cheaper?" option found on the product pages to request a price match.

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ARH Custom Custom Motorcycle Parts and Accessories ARH Custom Custom Motorcycle Parts and Accessories

Progressive Suspension Standard Rate 70-120 PSI Shock Springs in Chrome Finish For 412 Series (03-1394C)

  • Progressive Suspension Standard Rate 70-120 PSI Shock Springs in Chrome Finish For 412 Series (03-1394C)
$149.18
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Our Price Promise

Seen this item cheaper on another website? Let us try and match it!

We do our upmost to keep our prices competitive but due to the number of items we sell, you may occasionally find a better price advertised elsewhere. If you have seen a cheaper price on another website let us know by filling in this form. If we’re able to match the price, we’ll look to respond via email with a unique discount code within 1 hour (during working hours) so you're not waiting too long.

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Please note:

  1. The item must be identical to the one on our website listing and must show as being available.
  2. Price match applies to items sourced from authorised UK retailers only, not private sellers.
  3. Prices will only be matched from UK based websites with prices in GBP.
  4. ARH Custom reserve the right to price match only one of each item per customer.
  5. ARH Custom reserve the right to withdraw the price match policy at any time.

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US stock Estimated shipping date between 19 Apr and 25 Apr.

Usually ships in 3-4 weeks

All orders are shipped out of our UK premises. Estimated shipping date between 19 Apr and 25 Apr.

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  • 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

Specifications +

Duty: Standard
Product Name: Shock Spring
Type: Fits 12.50", 13.00", 13.50" and 14.25" Shock
Color/Finish: Chrome
Mounting Position: Rear
Length: 248,00 mm (9,75")
Units: Pair
Spring Type: Single Progressive Rate
Progressive Spring Rate: 1,34 kg/mm - 2,14 kg/mm (75 lb/in - 120 lb/in)
Model: 12 Series

Fitment +

    DUCATI
  • GT 750: 1973-1975
  • GT 860: 1975-1977
  • GTS 900: 1978
  • MILLE 1000 Mike Hailwood Replica: 1984-1986
  • PANTAH 500 SL: 1980-1983
  • PANTAH 500 TL: 1983
  • PANTAH 600 SL: 1980-1985
  • PANTAH 600 TL: 1981-1985
  • SD 900 Darmah: 1977-1983
  • SPORT 750: 1973-1975
  • SS 900 Mike Hailwood Replica: 1977-1984
  • SS 900 Upright Shaft: 1976-1982
  • HONDA
  • CB 250 RS: 1980-1981
  • CB 350 F Four: 1972-1975
  • CB 350 K: 1968-1973
  • CB 350 S: 1986-1988
  • CB 360 G: 1974-1976
  • CB 360 T: 1975-1976
  • CB 400 F Four: 1974-1978
  • CB 450 K: 1968-1975
  • CB 500 Four: 1971-1973
  • CB 500 T Twin: 1975-1976
  • CB 550 F Supersport: 1975-1978
  • CB 550 K Four: 1974-1978
  • CB 650: 1978-1982
  • CB 650 C Custom: 1980-1981
  • CB 750 F2 Seven Fifty: 1992-1996
  • CJ 360 T: 1976-1978
  • CL 350: 1968-1973
  • CL 360 T: 1974-1975
  • CL 450: 1968-1974
  • CM 185 T: 1978-1980
  • CM 200 T: 1979-1980
  • CM 200 T Twinstar: 1980
  • CM 400 A Twin Automatic: 1980-1981
  • CM 400 C Custom: 1981
  • CM 400 E: 1980-1981
  • CM 400 T: 1979-1981
  • CM 450 A Hondamatic: 1982-1983
  • CM 450 C Custom: 1982
  • CM 450 E: 1982-1984
  • FT 500: 1982-1983
  • GB 500 Clubman: 1989-1990
  • VF 500 C Magna: 1984-1985
  • XBR 500: 1985-1988
  • XBR 500 S: 1989-1990
  • KAWASAKI
  • CRS 305: 1981-1982
  • CRS 305 Belt Drive: 1982
  • EN 450 LTD 454: 1985-1990
  • H2 750 Mach 4: 1971-1975
  • KH 400: 1974-1978
  • KH 500 Mach 3: 1976
  • KZ 250 CSR: 1982
  • KZ 440: 1980-1981
  • KZ 440 Belt Drive: 1982
  • KZ 440 LTD: 1980-1981
  • KZ 440 LTD Belt Drive: 1980-1983
  • KZ 550: 1980-1983
  • KZ 550 LTD: 1980-1983
  • KZ 550 Spectre: 1983
  • KZ 650: 1977-1981
  • KZ 650 SR: 1978-1979
  • KZ 750 LTD Twin: 1980
  • KZ 750 Twin: 1976-1979
  • W 650: 2000-2002
  • Z 250: 1979-1982
  • Z 250 LTD: 1981-1982
  • Z 440: 1980
  • Z 440 LTD: 1980
  • Z1 900: 1973-1975
  • ZL 600 Eliminator: 1986-1987
  • ZR 400 Zephyr: 1991-1995
  • MOTO GUZZI
  • ELDORADO 850: 1972-1974
  • LM 850 I Le Mans: 1976-1978
  • LM 850 II Le Mans: 1978-1980
  • LM 850 III Le Mans: 1981-1983
  • T 850: 1973-1975
  • T3 850: 1975-1979
  • T3 850 CALIFORNIA: 1975-1981
  • T4 850: 1980-1982
  • V50 500 II: 1979-1980
  • V50 500 III: 1980-1983
  • V7 850 CALIFORNIA: 1972-1974
  • V7 850 GT: 1972-1974
  • SUZUKI
  • GN 250: 1987-1995
  • GN 400: 1980-1981
  • GS 250: 1981
  • GS 300 L: 1983
  • GS 400: 1977-1983
  • GS 400 E: 1978-1983
  • GS 400 X: 1977-1978
  • GS 425: 1979
  • GS 425 E: 1979
  • GS 425 L: 1979
  • GS 450 E: 1980-1982
  • GS 500 E: 1979-1981
  • GS 550: 1977-1979
  • GS 550 Double Disc: 1978-1979
  • GS 550 L: 1981-1982
  • GS 550 M Katana: 1981-1982
  • GS 550 Single Disc: 1978-1979
  • GS 550 T: 1981
  • GS 650 E: 1981
  • GS 650 G Katana: 1981-1983
  • GS 650 GL: 1981-1982
  • GS 650 M Katana: 1983
  • GSX 250: 1980-1981
  • GSX 250 E: 1980-1983
  • GSX 250 EG: 1980
  • GSX 400 E: 1980-1985
  • GSX 400 S Katana: 1993
  • GT 185: 1973-1977
  • GT 185 Adventure: 1973-1977
  • GT 250: 1973-1977
  • GT 250 Hustler: 1973-1977
  • GT 380: 1972-1977
  • GT 380 Sebring: 1972-1977
  • GT 500: 1976-1977
  • GT 500 Titan: 1976-1977
  • GT 550: 1972-1977
  • GT 550 Indy: 1972-1977
  • SP 370: 1978-1979
  • SP 400: 1980
  • YAMAHA
  • RD 350: 1973-1975
  • RD 400: 1976-1979
  • SR 250: 1991
  • SR 250 Exciter: 1980-1982
  • SR 250 SE: 1980
  • SR 500: 1978-1983
  • SRX 400: 1986-1989
  • XJ 400: 1980-1984
  • XJ 550 Maxim: 1981-1983
  • XJ 550 Seca: 1981-1983
  • XJ 650 Maxim: 1980-1983
  • XJ 650 Seca: 1982
  • XJ 650 T Turbo: 1982-1983
  • XJ 750 F: 1984
  • XJ 750 M Maxim Midnight: 1983
  • XJ 750 Maxim: 1982-1983
  • XJ 750 R Seca: 1982-1983
  • XJR 400: 1993
  • XS 360: 1977-1978
  • XS 400: 1978-1981
  • XS 400 II: 1978-1979
  • XS 400 Maxim: 1982-1983
  • XS 400 SE Special: 1980-1983
  • XS 400 Special 2: 1980
  • XS 650: 1975-1982
  • XS 650 Special: 1980-1981
  • XS 650 Special Heritage: 1982-1983
  • XS 650 U.S. Custom: 1980-1981

Delivery +

All orders are shipped with either DPD, Fedex, UPS, DHL or Royal Mail. The courier used to ship your order is determined by ourselves once your order has been placed and normally depends on the size, volume and the shipping destination. The selected courier for your order will be quoted in your order confirmation email which you will receive once we have processed your order. Once your order has been shipped, this will be confirmed via email and you will receive a tracking number so you can keep an eye on your shipments progress.

Back In Stock Notification

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