Reese Dual Cam Trunion Bars
The Reese corporate website still lists the Strait-Line hitch with the 600 pound trunion bars. Any authorized Reese dealer should be able to order the 600 pound trunion bars.
Good luck with your investigation!
Kevin D. Allen
WBCCI (Lifetime Member)/VAC/Free Wheelers #6359
1964 Overlander International/1999 GMC K2500 Suburban (7400 VORTEC/4.11 Differentials)
1978 Argosy Minuet 6.0 Metre/1975 Cadillac Eldorado Convertible (8.2 Liter V8/2.70 Final Drive)