"PB+" exhaust cams only (#s 1 and 4) Use with stock P intake cams for bolt-in power with stock 1000cc engines; stock springs are okay and no head work is required Made in the U.S.A. 81-E84 cam gear kits (with generators) do not have tachometer drive gears.. CAM PB+GRIND 1,4 71-E84XL
