Vintage Air 4 Way Square Bulkhead #8 and #10 O-Ring Pro-Blend The TCA021 uses TIG-welded chromoly

The TCA021 uses TIG-welded chromoly tube adapters for the ultimate in strength

Innovate Motorsports develops

Consider Use of Optional Adjustable Coolant Cross-over Tube - Part # LS0035ERL

Not only can this cause annoying drivability issues

Regulator with gauge

Vintage Air 4 Way Square Bulkhead #8 and #10 O-Ring Pro-Blend The TCA021 uses TIG-welded chromolyProduct Description: Bulkhead Plate Streamline 4 Port 8 AN Male O Ring to 10 AN Male O Ring Aluminum Polished Sold Individually Vintage Air is operated by experienced engineers and craftsmen who have been involved in the automotive hobby and industry for almost fifty years. We design, develop, and offer you the most technologically advanced and comprehensive line of high performance air conditioning, climate control systems, and accessories available.