30-54 BDescription High lift valve spring kit with single beehive style springs. . 650" valve lift for stock heads. 1. 860" installed height, 178lbs valve seat spring pressure and 376lbs@. 650" lift. Maximum 6500 RPM. Fitment 05 17 Twin Cam (Excl. 110" models); 04 21 XL Sportster; 08 12 XR1200; 03 10 Buell XB"> 30-54 B"> 30-54 BDescription High lift valve spring kit with single beehive style springs. . 650" valve lift for stock heads. 1. 860" installed height, 178lbs valve seat spring pressure and 376lbs@. 650" lift. Maximum 6500 RPM. Fitment 05 17 Twin Cam (Excl. 110" models); 04 21 XL Sportster; 08 12 XR1200; 03 10 Buell XB"> 30-54 B"> 30-54 BDescription High lift valve spring kit with single beehive style springs. . 650" valve lift for stock heads. 1. 860" installed height, 178lbs valve seat spring pressure and 376lbs@. 650" lift. Maximum 6500 RPM. Fitment 05 17 Twin Cam (Excl. 110" models); 04 21 XL Sportster; 08 12 XR1200; 03 10 Buell XB"> S&S, Street Performance valve spring kit. .650" valve lift 2005-17 S&S Super "A Fits: > 30-54 B – materica.org
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Description

Fits: > 30-54 B

OEM replacement reference 40217-09

If you are a lightweight rider with a lightweight passenger

Fits: > 80-08 FLT (STD DUTY)

Fits: > 94-06  SOFTAIL

S&S, Street Performance valve spring kit. .650" valve lift 2005-17 S&S Super "A Fits: > 30-54 BDescription High lift valve spring kit with single beehive style springs. . 650" valve lift for stock heads. 1. 860" installed height, 178lbs valve seat spring pressure and 376lbs@. 650" lift. Maximum 6500 RPM. Fitment 05 17 Twin Cam (Excl. 110" models); 04 21 XL Sportster; 08 12 XR1200; 03 10 Buell XB

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