Fits 331 & 354 heads on 392 blocks

In stock

Add: Polishing (+$100.00)


The Arias Components Water Cross-Over is your cooling system answer for low deck heads on 392 blocks.  Patterned after the OEM iron manifold, our cross-over is lightweight, attractive and accepts Chevy thermostats and housings.  Includes stainless mounting fasteners and gaskets.


  • Shot-peened matte finish (Polishing optional)
  • Accepts Chevy thermostat housings
  • Can be ordered undrilled (for excessively decked block and/or heads) – please specify after ordering
  • Clears most supercharger setups (must check clearance)
  • Provisions for drilling & tapping for accessory fittings
  • Height: 1-5/16” from driver’s mounting pad to thermostat surface
  • Includes stainless hardware
  • Includes mounting gaskets
  • 356 heat-treated sand-cast aluminum, not die-cast
  • Manufactured in USA


  • WMC35010-1, cross-over (1)
  • GA35017-2, gaskets (2)


  • Polishing (add 4-6 weeks)

Additional information

Weight3 lbs
Dimensions20 × 10 in
SKU: WMC35010-1 Categories: ,