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PAC Street Strip Springs

PAC1521 Valve Springs - LS1

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PAC1521 Valve Springs - LS1

Nitrided dual LS1 high end street / strip
spring for applications up to 0.650 lift.
Similar to the PAC-1221 but with the nitriding
and Nano Peen Spring processing .

160# at 1.800"
425# at 1.150"
Coil Bind at: 1.080"
Max Lift: .700"
Spring Rate: 408#/in
OD 1.300"
ID .655"

Uses Titanium retainer # PAC-R516 and spring seat # PAC-S121









Part #: PAC1521

Price: $661.25
Sale Price: $562.35