Part #: 800-1374
Isky racing dual valve spring set for Datsun 240Z, 260Z, 280Z and 280ZX, 1970-83. Chrome silicon dual springs, made in the USA. Set of 12 for 6-cylinder engines. Excellent spring for use with high performance aftermarket cams such as the Isky or Comp. Requires retainer PT# 800-1373.
1.7 installed height, 130#'s seat pressure, 280 # spring rate, 1.34" O.D., .748" I.D.
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