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2017+ Dodge Challenger R/T Hooker Headers Blackheart Catback Exhaust System
2017+ Dodge Challenger R/T Hooker Headers Blackheart Catback Exhaust System
$1,112.95
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Mast Motorsports Cathedral Port 245cc 6-Bolt Medium Bore CNC Assembled (4.000"-4.070" Bore)
[510-323]


$3,800.00
   Manufacturer:Mast Motorsports
   Description:

  • Designed for any new Gen IV 6.0L or 6.2L engine including LS3, L99, L92, L76, LY6, LSA, and LS9
  • Perfect for LS1 / LS6 stroked short blocks
  • Available as packages for LS3 Camaro, Corvette, L99 Camaro, & L76 Pontiac G8
  • Accepts Gen IV LS3 rockers with available rocker stands
  • Works with any Cathedral Port intake manifold, including FAST.
  • Uses a 2.165" intake valve and 1.600" exhaust valve
  • Has a 245cc intake port
  • Has a 70cc combustion chamber standard
  • Has a deck thickness of .750

Each Mast Black Label cylinder head assembly includes:

  • A fully CNC machined Mast Black Label aluminum cylinder head
  • Mast micro finished .650 lift beehive valve springs
  • Mast lightweight stainless steel intake & exhaust valves
  • Mast lightweight steel retainers
  • Mast machined locks

NOTE: Gaskets, valve covers, rocker arms and pushrods not included

NOTE: GM offset intake rocker arms required

This product was added to our catalog on Sunday 23 December, 2012.
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