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MAN-221435-16 PART NUMBER
Manley 221435-16 NexTek Performance Street/Strip Valve Springs$433.77Chevy LS Series, Fully Polished, Double Spring without Damper, 1.340" Outer Diameter, .726" Inner Diameter, Seat Pressure 170 @ 1.810, Open Pressure 446 @ 1.110, Coil Bind 1.050", Set of 16 Learn More -
MAN-221421-16 PART NUMBER
Manley 221421-16 NexTek Performance Street/Strip Valve Springs$433.77SBC LS-Series, LT1, Fully Polished, Double Spring without Damper, 1.324" Outer Diameter, .676" Inner Diameter, Seat Pressure 165 @ 1.800, Open Pressure 515 @ 1.000, Coil Bind .900", Set of 16
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