Mazworx RS T4 Divided Topmount manifold for RB20/RB25/RB26. This manifold will work ONLY with RB engines in a S-Chassis conversion. Utilizes twin Tial MVS wastegates. Please also check out the dumptubes and 4" downpipe available.
$1695.00USD + shipping.
http://www.mazworx.com/pics/rbs_t4_3.jpg