Product Description
Fitment: Replaces OEM number 37871-98A Fits Harley Big Twin 1998-2016 Feature: Designed for riders who demand more power and precision, this spring is 20% stronger than OEM, providing improved clutch engagement and reduced slippage under heavy loads. Perfect for high-performance builds and competitive riding, it’s a direct OEM replacement for hassle-free installation and long-lasting durability.
OEM: Replaces Harley part number 37871-98A
Fits Harley Big Twin models from 1998–2016
Stronger than stock springs, delivering superior clutch engagement and reduced slippage
Durable Construction – Engineered for longevity under extreme riding conditions, ensuring consistent performance and reliability
Note: Does not fit 2013–2015 CVO/SE, 2015 FLHTC “L” models, Sportsters, or models equipped with Slipper/Assist Clutch
Product Specifications
BrandTOFR
ManufacturerYSN-Moto
Manufacturer Part NumberHD-CS-001@#2601
Item Weight5.8 ounces
Package Dimensions8.78 x 8.19 x 0.47 inches
Explicit Manufacturer Part NumberHD-CS-001@#2601
Explicit OE/OEM Part Numbers37871-98A, replacement, Replaces