They do not provide a significant weight reduction vs. stock.
IMHO - On my car I have a UR crank pulley and their Power steering pulley because it lets me run a full size 4 rib belt (vs. the stock 3 rib one that 90-96 NA and 94+TT have). AND I have a HI water pump pulley to NOT underdrive the cooling system.
Bernie Bilskiberniebilski@cox.net 1995 Nissan 300ZX TwinTurbo in Cobalt Green 1997 Nissan 240SX SE in Ultra Red (some assembly required) 1995 Nissan Pick-Up XE in Super Black ZCCNV #390 ~ ECZA #368
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