SKU:37-8951

S&S Cycle Evolution Cylinder Studs 6.68 Inch 3 By 16 Coarse Thread Harley FLT

S&S Cycle Evolution Cylinder Studs 6.68 Inch 3 By 16 Coarse Thread Harley FLT

Regular price $79.99 USD
Sale price $79.99 USD Regular price
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S&S Cycle Evolution Cylinder Studs for Harley FLT — 6.68 Inch, 3/8-16 Coarse Thread

Evolution cylinder studs measure 6.680 inches in length and use a 3/8-16 coarse thread for secure cylinder attachment on Harley-Davidson FLT engines. Made in the USA, these studs carry OEM cross-reference 16837-85C to ensure compatibility with original equipment parts.

Designed to withstand the stresses of high-performance riding, the Evolution studs provide precise fitment and reliable strength when rebuilding or maintaining your engine. The package includes installation tools—Cylinder Hold Down Nuts Tool, Piston Pin Support Plate, and Replica Cylinder Base Nut Wrench Tool—to help tighten accurately and reduce the risk of damage during assembly.

Designed for Harley-Davidson FLT models from 1986 through 1995, these studs serve as a direct OEM-style replacement to restore cylinder assembly integrity. Proper alignment and secure fitment support optimal compression, contributing to the longevity and consistent operation of your Harley engine.

  • Length: 6.680 inches
  • Thread: 3/8-16 coarse
  • OEM cross-reference: 16837-85C
  • Made in the USA
  • Includes installation tools
  • Fits Harley-Davidson FLT models (1986–1995)
Evolution cylinder studs only are 6.680 inch long and have a 3/8-16 coarse thread.

Upgrade your Harley Davidson FLT engine with the S&S Cycle 31-2321 Evolution cylinder studs, designed for durability and precise fitment. These studs are 6.68 inches long and feature a 3/8-16 coarse thread, ensuring secure attachment of your engine components. Manufactured in the USA, these high-quality studs are a reliable choice for restoring or maintaining your motorcycle’s performance. The OEM cross-reference number 16837-85C guarantees compatibility with original equipment parts, making installation straightforward and hassle-free.
Each cylinder stud is engineered to withstand the stresses of high-performance riding, with robust construction that maintains strength and integrity over time. Whether you're rebuilding your engine or replacing worn parts, these studs provide a solid foundation for your cylinder assembly. Their precise threading and length ensure proper alignment and secure fitment, critical for optimal engine operation. Proper installation of these studs can help prevent leaks and ensure consistent compression, contributing to the overall longevity and performance of your Harley Davidson FLT.
The package includes accessory items to assist with installation, such as the Cylinder Hold Down Nuts Tool, Piston Pin Support Plate, and Replica Cylinder Base Nut Wrench Tool. These tools facilitate accurate tightening and assembly, saving time and reducing the risk of damage. Designed for use on Harley Davidson FLT models from 1986 through 1995, these studs are a perfect OEM replacement that restores your engine's integrity. Trust S&S Cycle’s expertise and quality to keep your motorcycle running smoothly for many miles to come.

Features:

  • Length of 6.68 inches for secure cylinder attachment
  • 3/8-16 coarse thread for reliable fastening
  • Made in the USA with high-quality materials
  • OEM cross-reference 16837-85C for compatibility
  • Designed for Harley Davidson FLT models from 1986-1995

Fitment:
Harley Davidson FLST 1986
Harley Davidson FLST 1987
Harley Davidson FLST 1988
Harley Davidson FLST 1989
Harley Davidson FLST 1990
Harley Davidson FLST 1991
Harley Davidson FLST 1992
Harley Davidson FLST 1993
Harley Davidson FLST 1994
Harley Davidson FLST 1995
Harley Davidson FLST 1996
Harley Davidson FLST 1997
Harley Davidson FLST 1998
Harley Davidson FLT 1986
Harley Davidson FLT 1987
Harley Davidson FLT 1988
Harley Davidson FLT 1989
Harley Davidson FLT 1990
Harley Davidson FLT 1991
Harley Davidson FLT 1992
Harley Davidson FLT 1993
Harley Davidson FLT 1994
Harley Davidson FLT 1995
Harley Davidson FLT 1996
Harley Davidson FLT 1997
Harley Davidson FLT 1998
Harley Davidson FXD 1991
Harley Davidson FXD 1992
Harley Davidson FXD 1993
Harley Davidson FXD 1994
Harley Davidson FXD 1995
Harley Davidson FXD 1996
Harley Davidson FXD 1997
Harley Davidson FXD 1998
Harley Davidson FXR 1986
Harley Davidson FXR 1987
Harley Davidson FXR 1988
Harley Davidson FXR 1989
Harley Davidson FXR 1990
Harley Davidson FXR 1991
Harley Davidson FXR 1992
Harley Davidson FXR 1993
Harley Davidson FXR 1994
Harley Davidson FXST 1986
Harley Davidson FXST 1987
Harley Davidson FXST 1988
Harley Davidson FXST 1989
Harley Davidson FXST 1990
Harley Davidson FXST 1991
Harley Davidson FXST 1992
Harley Davidson FXST 1993
Harley Davidson FXST 1994
Harley Davidson FXST 1995
Harley Davidson FXST 1996
Harley Davidson FXST 1997
Harley Davidson FXST 1998

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