Unit Q77-90 / Uncategorized / By mark 3G. 95 amp. Has threaded boss on back plate. Most pulleys 2 1/2 ” OD. 4 holes between webs signifies small frame. $75.00 $40.00 core Your Name (required) Telephone number (required) For Unit Q77-90 Your Message [anr_nocaptcha g-recaptcha-response] Δ