After a couple of lbw decisions, Fraser joined Cameron who was still in the 20s around the 20th over and from there they took a stranglehold on proceedings.
Fraser fell but Cameron carried his bat through the innings.
In the other match at Collegiate, the hosts had matters well in hand with their 55-run victory over Wanganui High School.
Set 213 as their target, WHS were never really in the hunt, No10 batsman Caleb Greene the only player to put up a real fight.
Results
Porter Hire Premier 1
David Jones Motors United 237-6 (A McCaa 106no, R Power 48) lost to Silks Audit Marist 238-3 (B Cameron 93no, M Fraser 89).WCS 212-6 bt WHS 157 (C Greene 45).
Porter Hire Premier 2
Marton Saracens 210-9 (J Lock 65, S Lewis 45, A Hodson 5-47) bt Renegades 181 (J Burgess 42, J Carroll 3-52).United 262-7 (A Kenny 95, R Verma 58 no, M Pennefather 56, Medlicott 2-25) bt Collegiate 181-7 (Teki 56no, R Verma 2-33).