Select your Vehicle Make, Model, and Year Range, then Hover over Product Image to see Part Numbers. FORDF-150 (2015-PRESENT) AT Series Options (and Part Numbers): 20″ LOW PROFILE MOUNTING PLATFORM (AT-FORD-F) LP Series Options (and Part Numbers): RTM 22″ LOW PROFILE MOUNTING PLATFORM (RTM-101-LP-FORD) RTM 28″ LOW PROFILE MOUNTING PLATFORM (RTM-201-LP-FORD) RTM 34″ LOW PROFILE MOUNTING PLATFORM (RTM-301-LP-FORD) 101 Series Options (and Part Numbers): **LIMITED QUANTITY RTM 22″ ROOFTOP MOUNTING PLATFORM (RTM-101-FORD) Capper Series Options (and Part Numbers): 22″ LOW PROFILE CAPPER MOUNTING PLATFORM (RTM-101-LP-C-FORD) F-250-550 (2017-PRESENT) AT Series Options (and Part Numbers): 20″ LOW PROFILE MOUNTING PLATFORM (AT-FORD-F) LP Series Options (and Part Numbers): RTM 22″ LOW PROFILE MOUNTING PLATFORM (RTM-101-LP-FORD) RTM 28″ LOW PROFILE MOUNTING PLATFORM (RTM-201-LP-FORD) RTM 34″ LOW PROFILE MOUNTING PLATFORM (RTM-301-LP-FORD) 101 Series Options (and Part Numbers): **LIMITED QUANTITY RTM 22″ ROOFTOP MOUNTING PLATFORM (RTM-101-FORD) Capper Series Options (and Part Numbers): 22″ LOW PROFILE CAPPER MOUNTING PLATFORM (RTM-101-LP-C-FORD) F150 (2009-2014) 101 Series Options (and Part Numbers) **Limited Quantities 22″ ROOFTOP MOUNTING PLATFORM (RTM-101-FORD 21 KIT) Capper Series Options (and Part Numbers) 22″ ROOFTOP MOUNTING PLATFORM (RTM-101-LP-C – 21 KIT) LP Series Options (and Part Numbers) RTM 22″ LOW PROFILE MOUNTING PLATFORM (RTM-101-LP – 21 KIT) RTM 28″ LOW PROFILE MOUNTING PLATFORM (RTM-201-LP – 21 KIT) RTM 34″ LOW PROFILE MOUNTING PLATFORM (RTM-301-LP – 21 KIT) F-250-550 (2006-2016) LP Series Options (and Part Numbers): RTM 22″ LOW PROFILE MOUNTING PLATFORM (RTM-101-LP – 23 KIT) RTM 28″ LOW PROFILE MOUNTING PLATFORM (RTM-201-LP – 23 KIT) RTM 34″ LOW PROFILE MOUNTING PLATFORM (RTM-301-LP – 23 KIT) Capper Series Options (and Part Numbers): RTM 22″ ROOFTOP MOUNTING PLATFORM (RTM-101-LP-C – 23 KIT) 101 Series Options (and Part Numbers): **Limited Quantity RTM 22″ ROOFTOP MOUNTING PLATFORM (RTM-101-23 KIT) RANGER (2019-PRESENT) AT Series Options (and Part numbers): 20″ LOW PROFILE MOUNTING PLATFORM (AT-FORD-R) MAVERICK (2022-PRESENT) LP Series Options (and Part Numbers) 22″ LOW PROFILE MOUNTING PLATFORM (RTM-101-LP-FORD-M) 28″ LOW PROFILE MOUNTING PLATFORM (RTM-201-LP-FORD-M) 34″ LOW PROFILE MOUNTING PLATFORM (RTM-301-LP-FORD-M) CHEVROLET/GMSILVERADO/SIERRA 1500-3500 - NO SPOILER (2020-PRESENT) LP Series Options (and Part Numbers): 22″ LOW PROFILE MOUNTING PLATFORM (RTM-101-LP – WT KIT) 28″ LOW PROFILE MOUNTING PLATFORM (RTM-201-LP – WT KIT) 34″ LOW PROFILE MOUNTING PLATFORM (RTM-301-LP – WT KIT) 101 Series Options (and Part Numbers): **LIMITED QUANTITY 22″ ROOFTOP MOUNTING PLATFORM (RTM-101 – WT KIT) Capper Series Options (and Part Numbers): **LIMITED QUANTITY 22″ ROOFTOP MOUNTING PLATFORM (RTM-101-LP-C – WT KIT) SILVERADO/SIERRA ELECTRIC (2023-PRESENT) LP Series Options (and Part Numbers): 22″ LOW PROFILE MOUNTING PLATFORM (AT-GM-EV) SILVERADO 1500-3500 & CREW CAB - WITH SPOILER (2020-PRESENT) Talon Series Options (and Part Numbers): 20″ LOW PROFILE MOUNTING PLATFORM (AT-GM-SPL) SILVERADO/SIERRA HD 4500-6500 (2019-PRESENT) LP Series Options (and Part Numbers): 22″ LOW PROFILE MOUNTING PLATFORM (RTM-101-LP – 33 KIT) 28″ LOW PROFILE MOUNTING PLATFORM (RTM-201-LP – 33 KIT) 34″ LOW PROFILE MOUNTING PLATFORM (RTM-301-LP – 33 KIT) 101 Series Options (and Part Numbers): **LIMITED QUANTITY 22″ ROOFTOP MOUNTING PLATFORM (RTM-101 – 33 KIT) Capper Series Options (and Part Numbers): **LIMITED QUANTITY 22″ ROOFTOP MOUNTING PLATFORM (RTM-101 -LP-C – 33 KIT) SILVERADO/SIERRA ALL MODELS (2014-2018) LP Series (and Part Numbers): 22″ LOW PROFILE MOUNTING PLATFORM (RTM-101-LP – 33 KIT) 28″ LOW PROFILE MOUNTING PLATFORM (RTM-201-LP – 33 KIT) 34″ LOW PROFILE MOUNTING PLATFORM (RTM-301-LP – 33 KIT) 101 Series Options (and Part Numbers): **LIMITED QUANTITY 22″ ROOFTOP MOUNTING PLATFORM (RTM-101 – 33 KIT) Capper Series Options (and Part Numbers): 22″ ROOFTOP MOUNTING PLATFORM (RTM-101-LP-C – 33 KIT) SILVERADO/SIERRA HD 2500-3500 (2014-2019) LP Series Options (and Part Numbers): 22″ LOW PROFILE MOUNTING PLATFORM (RTM-101-LP – 33 KIT) 28″ LOW PROFILE MOUNTING PLATFORM (RTM-201-LP – 33 KIT) 34″ LOW PROFILE MOUNTING PLATFORM (RTM-301-LP – 33 KIT) 101 Series Options (and Part Numbers): **LIMITED QUANTITY 22″ ROOFTOP MOUNTING PLATFORM (RTM-101 – 33 KIT) Capper Series Options (and Part Numbers): 22″ ROOFTOP MOUNTING PLATFORM (RTM-101 -LP-C – 33 KIT) COLORADO (2015-PRESENT) AT Series Options (and Part Numbers): 20″ LOW PROFILE MOUNTING PLATFORM (AT-GM-COL) CANYON (2015-PRESENT) AT Series Options (and Part Numbers): 20″ LOW PROFILE MOUNTING PLATFORM (AT-GM-COL) INTERNATIONAL CV SERIES (2019-PRESENT) LP Series Options (and Part Numbers): 22″ LOW PROFILE MOUNTING PLATFORM (RTM-101-LP – 33 KIT) 28″ LOW PROFILE MOUNTING PLATFORM (RTM-201-LP – 33 KIT) 34″ LOW PROFILE MOUNTING PLATFORM (RTM-301-LP – 33 KIT) RAM/DODGERAM 1500 CLASSIC & 2500-5500 (2019-PRESENT) LP Series Options (and Part Numbers): 22″ LOW PROFILE MOUNTING PLATFORM (RTM-101-LP – 14 KIT) 28″ LOW PROFILE MOUNTING PLATFORM (RTM-201-LP – 14 KIT) 34″ LOW PROFILE MOUNTING PLATFORM (RTM-301-LP – 14 KIT) 101 Series Options (and Part Numbers): 22″ ROOFTOP MOUNTING PLATFORM (RTM-101 – 14 KIT) Capper Series Options (and Part Numbers): 22″ LOW PROFILE MOUNTING PLATFORM (RTM-101-LP-C – 14 KIT) RAM 1500 ALL NEW W/ SHARK FIN ANTENNA (2019-PRESENT) AT Series Options (and Part Numbers): 20″ LOW PROFILE MOUNTING PLATFORM (AT-RAM-1500AN) RAM CAB AND CHASSIS 3500-5500 (2010-2018) LP Series Options (and Part Numbers): 22″ LOW PROFILE MOUNTING PLATFORM (RTM-101-LP – 12 KIT) 28″ LOW PROFILE MOUNTING PLATFORM (RTM-201-LP – 12 KIT) 34″ LOW PROFILE MOUNTING PLATFORM (RTM-301-LP – 12 KIT) RAM 3500-5500 (2010-2018) LP Series Options (and Part Numbers): 22″ LOW PROFILE MOUNTING PLATFORM (RTM-101-LP – 13 KIT) 28″ LOW PROFILE MOUNTING PLATFORM (RTM-201-LP – 13 KIT) 34″ LOW PROFILE MOUNTING PLATFORM (RTM-301-LP – 13 KIT) NISSANFRONTIER (2023-PRESENT) AT Series Options (and Part Numbers): 20″ LOW PROFILE MOUNTING PLATFORM (AT-NISSAN-F)