Billet aluminum battery tray for 6 volt Optima (machined finish) – Boese Engineering
FARM SHOW Magazine - The BEST stories about Made-It-Myself Shop Inventions, Farming and Gardening Tips, Time-saving Tricks & the Best Farm Shop Hacks, DIY Farm Projects, Tips on Boosting your farm income,
Ecklers TarTopper Kit - 6V Optima-Red Caps
Optima battery - P15-D24 Forum - P15-D24.com and Pilot-house.com
Optima Batteries RED Top RT S 2.1 6v 8010-355 batteria per auto d'epoc