The Pacers scored four runs in the last two innings to win the opener, 6-2, and Ken Raborn homered twice to help Aiken win the nightcap 15-5.
The Pacers improved to 40-11 overall and 17-7 in the Peach Belt. Lander fell to 18-29, 6-18. Aiken swept the three-game series, scoring 45 runs in the three games.
Lander recognized its seven seniors before Game 1, honoring Malcolm McLeod, Justin King, TJ Guinan, Nathan Roubicek, Justin Altman, Jake Hover and Daniel Hinchberger.
Aiken led 4-0 going into the bottom of the seventh inning of Game 2 before the Bearcats rallied with four runs to tie. Gabe McCann walked, moved to third on AJ Nunziato's double into the left-field corner, and scored when Nate Mangiapane reached on an error. Hunter Ruoss reached on an infield single to load the bases, Josh Lovvorn delivered a pinch-hit RBI single, and Robert Skinner reached on an error to score a run. Brooks Arnette plated the tying run on a sacrifice fly to deep center where Cody McMorris made a diving catch. Lovvorn tried to score from second on the long fly but was called out at the plate.
Jamie Benjamin led off the top of the ninth with his fourth homer of the season, putting Aiken back on top, 5-4.
The Bearcats tied the game in the bottom of the ninth when Mangiapane reached on an error, was bunted to second by Ruoss, moved to third on Justin King's ground out, and scored when Malcolm McLeod beat out an infield single to shortstop.
But Aiken scored 10 times in the 10th, including two-run singles by Gary Owens and Ryne Salmon, a two-run double by McMorris, and a two-run homer by Raborn.
Aiken jumped ahead 1-0 in the second inning of Game 2 when Nick Aranas walked, moved to third on a double by Owens and scored on Gary Asbill's sacrifice fly. The Pacers upped their lead to 3-0 in the fourth with two runs on a single, two walks, a hit batsman, and an error.
Raborn gave Aiken a 4-0 lead in the seventh, launching a homer over the left-field fence.
Peden Rucker (9-1) was the winning pitcher, allowing five runs, three earned, on seven hits while striking out nine and walking two in nine innings. Owens pitched the 10th. Justin Altman (1-2) took the loss for Lander in relief of Hover, who allowed four runs, three earned, on seven hits in seven innings.
Leading hitters in Game 2 for Aiken included Raborn, 3-for-7, two homers and three RBI; Owens and Asbill, 3-for-5 with two RBI; McMorris, 2-for-6 with two RBI; and Salmon 2-for-4 with two RBI.
Nunziato and McLeod led the Bearcats with two hits apiece.
Aiken took a 1-0 lead in the first inning of the opener on singles by McMorris and Salmon, a double steal, and an error.
The Bearcats took a 2-1 lead in the second on three singles and two stolen bases. Guinan singled, moved to second on Nunziato's bunt, stopped at third when McCann beat out an infield hit, and scored on the back end of a double steal. McCann scored on Ruoss's single.
The Pacers tied the game at 2-all in the fifth when Chris Grandinetti reached second on a single and an error by the left fielder, stopped at third on McMorris's bunt single, and scored on a balk.
Aiken took a 3-2 lead in the eighth when Raborn walked, moved to second on Aranas's bunt, to third when Owens grounded out to the right side, and scored on Benjamin's single to right.
The Pacers added three insurance runs in the ninth, taking a 6-2 lead on David Vitko's run-scoring single, an error, and Aranas's sacrifice fly.
McMorris, Salmon and Benjamin led Aiken with two hits apiece. Ruoss paced Lander, going 2-for-4 with an RBI.
Dustin Tyra (4-1) was the winning pitcher for the Pacers, coming within an out of a complete game. He allowed two runs while striking out six and walking one. Houston Taylor got the final out for his third save. Ches Courtney (1-2) took the loss in relief for Lander. Hinchberger started for the Bearcats, allowing two runs on nine hits while striking out seven and walking one in seven innings of work.