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Wiseco High-Performance Forged Piston Kit - 3.498 in. Bore/10.5:1 Ratio - K1685

  • Part #: K1685
  • Manufacturer Part #: K1685

MSRP Price: $320.95

Our Price: $288.86

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$32.09 (10%)
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Overview of Wiseco High-Performance Forged Piston Kit - 3.498 in. Bore/10.5:1 Ratio - K1685

  • Get low expansion at high temperatures and great operating strength from a respected name - Wiseco
  • All Wiseco pistons sold by Dennis Kirk are forged from a high-silicone aluminum alloy for superior strength and consistent dimension, even in high stress conditions
  • Includes Hastings-style X-rings (.062 top ring, .062 compression ring and .158 oil ring)
  • 10.5:1 Compression - Domed
  • Kit includes two pistons, rings, piston pins and circlips
  • Components also sold separately; replacement rings (3497X) include enough rings for one piston; replacement circlips (W5731) sold in pairs


  • Available Sizes:
    1200cc - 3.498 in./Standard - Part No. K1685
    1207cc - 3.508 in./+.010 in. - Part No. K1686
    1214cc - 3.518 in./+.020 in. - Part No. K1687
    1221cc - 3.538 in./+.030 in. - Part No. K1688

    Our pistons, rings and kits are sold by application and bore size. Please note that STANDARD and OVERSIZES are not indicated. To get the correct part, you must know the standard bore size to make sure you are ordering either the standard or correct amount of oversize that you need. If you have any questions, please call Technical Service.

Specs for Wiseco High-Performance Forged Piston Kit - 3.498 in. Bore/10.5:1 Ratio - K1685

Bore Size 3.498 in.
Compression Ratio 10.5:1
Type - Pistons & Piston Rings Piston Kit
Units Each
Weight 2.31 lbs

Specs for Wiseco High-Performance Forged Piston Kit - 3.498 in. Bore/10.5:1 Ratio - K1685

Bore Size 3.498 in.
Compression Ratio 10.5:1
Type - Pistons & Piston Rings Piston Kit
Units Each
Weight 2.31 lbs

Fitment for Wiseco High-Performance Forged Piston Kit - 3.498 in. Bore/10.5:1 Ratio - K1685

See if this part fits your ride

Part K1685 fits the following machines

Harley-Davidson
  • 2003 Harley-Davidson Sportster - XLH 1200
  • 2002 Harley-Davidson Sportster - XLH 1200
  • 2001 Harley-Davidson Sportster - XLH 1200
  • 2000 Harley-Davidson Sportster - XLH 1200
  • 1999 Harley-Davidson Sportster - XLH 1200
  • 1998 Harley-Davidson Sportster - XLH 1200
  • 1997 Harley-Davidson Sportster - XLH 1200
  • 1996 Harley-Davidson Sportster - XLH 1200
  • 1995 Harley-Davidson Sportster - XLH 1200
  • 1994 Harley-Davidson Sportster - XLH 1200
  • 1993 Harley-Davidson Sportster - XLH 1200
  • 1992 Harley-Davidson Sportster - XLH 1200
  • 1991 Harley-Davidson Sportster - XLH 1200
  • 1990 Harley-Davidson Sportster - XLH 1200
  • 1989 Harley-Davidson Sportster - XLH 1200
  • 1988 Harley-Davidson Sportster - XLH 1200
  • 2003 Harley-Davidson Sportster Custom - XL 1200C
  • 2002 Harley-Davidson Sportster Custom - XL 1200C
  • 2001 Harley-Davidson Sportster Custom - XL 1200C
  • 2000 Harley-Davidson Sportster Custom - XL 1200C
  • 1999 Harley-Davidson Sportster Custom - XL 1200C
  • 1998 Harley-Davidson Sportster Custom - XL 1200C
  • 1997 Harley-Davidson Sportster Custom - XL 1200C
  • 1996 Harley-Davidson Sportster Custom - XL 1200C
  • 2003 Harley-Davidson Sportster Sport - XL 1200S
  • 2002 Harley-Davidson Sportster Sport - XL 1200S
  • 2001 Harley-Davidson Sportster Sport - XL 1200S
  • 2000 Harley-Davidson Sportster Sport - XL 1200S
  • 1999 Harley-Davidson Sportster Sport - XL 1200S
  • 1998 Harley-Davidson Sportster Sport - XL 1200S
  • 1997 Harley-Davidson Sportster Sport - XL 1200S
  • 1996 Harley-Davidson Sportster Sport - XL 1200S
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Instructions and Manuals for Wiseco High-Performance Forged Piston Kit - 3.498 in. Bore/10.5:1 Ratio - K1685

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