These spring kits will fit all 99-UP PI heads and offer increased pressure and will allow up to .550" lift. Perfect for boosted engines, upgraded camshafts and increased RPM. The valve springs are a beehive design, and the complete kits include all springs, retainers, and new valve keepers. Parts included are:
16 Beehive Springs to fit in stock heads 85 lbs seat pressure 250 lbs open pressure Up to .550" Lift 16 Chrome Moly Retainers 16 Multi groove valve keepers
Reviews
Average Customer Review:
( 2 )
Wiliam Valora from Roulette, PA United States
December 6, 2023
ModMax 2V .550" Lift Spring Kit Moly Retainers
Just whatr I needed to complete my project. Have not yet intalled.
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James Gabbard from MIddletown, OH United States
July 17, 2017
Valve springs
Valve springs work excellent... no more valve float
