Discontinued by Nissan. See options in Related Items below.
Description: This single groove crank damper will fit on 70-83 Z/ZX original blocks, and reduces the rotational mass of the multi-groove OE unit. Damper is degreed to +20 Degrees. It does not allow the use of the air pump, power steering pump, or A/C. Legal for SCCA's ITS class as OA diameter remains unchanged. Total alignment difference between pulleys should not exceed 1/8".
Required Parts: Must be installed with special bolt/washer set, part 14-2140, when used in competition (see Related Items below).
Model Guide: Datsun 240Z, 260Z, 280Z, 280ZX
Code Guide: Datsun S30, S130
Year Guide: 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983
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