Manley NexTek Polished Drag (Man-221454P-16)
$519.99Price
Manley Nextek Series Springs for BBC Sportsman and Bracket Racer motors.
Better valve train stability and component life.
Polished for super finishedDual Spring with no Damper
- 1.650'' O.D.
- 0.855'' I.D.
- 635 lbs./in. Spring Rate
- 290 @ 2.000'' Installed
- 825 @ 1.150'' Open
- 0.850'' Max Valve Lift
- 1.105'' Coil Bind
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Manley Nextek Dual Valve Spring Part Number 221454P Max Lift .850 Spring Rate 635# Sug. Installed height 2.000 Install Pressure #'s 290 Coil bind height 1.105 Spring Dia. 1.650 Inner spring I.D. .855 Spring #'s @ 2.00 290 Open #'s 855 @ 1.105 Weight 155 grams Suggested Retainers Man-23649-16 10 degree Std install Man-23640-16 10 degree (+.100) Man-23540-16 10 degree (+.100) Lightweight