ST Racing Concepts SPTST8253BR Black CNC Machined Brass Inner Portal Drive Housing for Traxxas TRX-4 Era_2009 + 000 hp diesel engine and

000 hp diesel engine and the new Relikt 3rd generation ERA which is claimed to be twice as effective as Kontakt-5

5" tall by 1

Width: 4-5/16"

Safe Jet Pump

“Gullwing” with four (4) side window

ST Racing Concepts SPTST8253BR Black CNC Machined Brass Inner Portal Drive Housing for Traxxas TRX-4 Era_2009 + 000 hp diesel engine andST Racing Concepts SPTST8253BR Black CNC Machined Brass Inner Portal Drive Housing for Traxxas TRX 4 The STRC Traxxas TRX 4 Brass Outer Portal Drive Housing provides more strength, while adding 48 grams of unsprung weight to your TRX 4 for better crawling performance and more stability during steep climbs.