Luke Cooper claimed pole position for the only Melksham Motor Spares Castle Combe FF1600 Championship race by almost two-tenths of a second from Josh Fisher.
Cooper, driving a Swift SC16, set the best time of 1m10.175s. The local driver has won all five of the races held this year.
Josh Fisher (Van Diemen JL14), who missed the last round of the championship due to engine issues, will line up second on the grid.
David Vivian set the early pace in his Spectrum 10b with a 1m11.664s, with Cooper initially just behind in second.
Vivian would improve his time again to a 1m11.035 to qualify in third place, alongside Tom Hawkins (Ray GR11).
Paul Mason claimed Class B pole with a time of 1m13.926s to beat his sole class rival Shaun Macklin.
Class C pole position went to Steve Bracegirdle, driving a Van Diemen RF89, who separated the two Class B drivers.
Michael Phillips (Swift FB87) set the slowest lap time in qualifying and will start in eighth place.
Michael Eastwell, currently fifth in the standings, did not take part in qualifying, but will compete in the BRSCC Avon Tyres National FF1600 Championship races.
|2||A||Josh Fisher||Van Diemen||+0.177|
|6||C||Steve Bracegirdle||Van Diemen||+3.751|