DSM
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EVO
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EVO X
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3000GT
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NISSAN
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BMW
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SUBARU
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CROWER | SPRINGS AND RETAINERS | 4G63 | 90-99 DSM | EVO VIII-IX
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Crower Valve Springs and Titanium Retainers.
The Crower single valve spring delivers 15% more pressure across the board than the factory part. Also, with a coil bind of 0.910", the Crower spring allows for more cam lift than factory springs will allow.
Stock O.D., so no machine work is required to the cylinder head.
Crower titanium retainers weigh 7 grams vs. stock steel at 14.5 grams, so you pickup additional rpm's by reducing valve train weight!
Kit includes 16 Springs and Retainers.
90-99 DSM.
Evo VIII-IX.
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