Here is an Accel Advanced Competition Dual Point Tach Drive Distributor.
The Advance Competition Accel distributors have an extra needle bearing on top. SEE AD
It fits Chevy small and big block engines-- 283 302 327 359 396 427 454 502.
This distributor was completely disassembled, cleaned and reassembled with new lube put on all four needle bearings.
The distributor cap is NEW and has brass terminals
The Accel rotor is NEW.
The used Accel points have 32 ounce springs, and condenser is used.
I set this distributor up on my distributor machine.
See spec sheet for more information.