Engines and Components› Camshafts and Valvetrain

S&S Cycle

S&S Cycle 84-04 BT/86-03 Sportster Models .650in Lift Sidewinder Valve Spring Kit

$254.95

SKU: S0GE 900-0050

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INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: 900-0050

Sidewinder (R) .650 in. Valve Spring Kits for Twin Cam 88 (R) Big Twins with stock heads (both 7mm and 5/16 in. valve stems) and all S&S Super Stock (R) heads (5/16 in. valve stems)

MIA's Description

Includes springs, upper and lower collars and keys. For valve lift to .650" with 1.860" /178 lbs. installed height, 376 lbs. at max lift. Max 6500 rpm. Made in the USA.

Fitment

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Specifications

BrandS&S Cycle
Part NumberS0GE 900-0050

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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