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Category : B- Small Block Dodge Magnum : Cylinder Heads : Iron

HUG 20300A

MAGNUM INDY "X" HEADS W/ 1.92"

MAGNUM STYLE INTAKE PATTERN W/ 1.92" INT, 1.620" EXH & 1110 SPRING

$1337.40

This is a pair of INDY MA-X heads with stock size (1.92 / 1.620) valves. These are fully assembled . Designed to use stock Magnum style rocker arms. Requires use of "Magnum" style intake manifold.

 

What's Included:
      
A pair of new, small block cast iron INDY "MA-X heads (62cc chambers)
      One piece stainless valves- 1.920” intake and 1.620” exhaust with 5/16” stems
      Heat treated, machined steel retainers (HUG 1278)
      Hughes springs #1110, locks #1307B & seals #3806 assembled on the heads.
(Optional spring upgrades available. Call for details)
 
 
What’s NOT included: (all available at an extra charge. Call for details)   
     
Milling the heads
      Spring upgrades
      Porting work
      Racing valve job
 
Features:
    Pressed in hardened exhaust seats to insure no cracks.
   
Multi-angle intake valve seats
    Modern port design to enhance air flow.  

    179cc intake and 67cc exhaust runners
   
Highly efficient water jacket to prevent engine hot spots
   
Extra thick deck surface to enable angle milling for compression

What you need to know:
   
Adjustable rocker arms must be used with cams having greater than stock lift. We recommend our premium adjustable rocker arm assemblies along with matching pushrods.
    If you need a combination not shown here please call one of our technicians at 309-745-9558

       

 

Lift Stock 1.94" Stock 1.62"
.100 58 59 
.200 109 103
.300 168 145
.350 192 157
.400 212 165
.450 228 172
.500 236 177
.550 238 180
.600 238 181

 


SERVICE PARTS FOR 20300A:

VALVE SPRINGS        RETAINERS      SEALS     INT VALVE     EX VALVE        LOCKS

P/N  1110                       1278              3810       PV3954           PV2654         1307B



Related Parts:

HUG 1110VSK-M : Installed Spring Kit 

HUG 1129VSK-M : Installed Spring Kit (recommended for Super Charger applications)

HUG 1120VSK-M : Installed Beehive Spring Kit 

LAB AUTOHEAD953 : Clearance Pushrod tunnels for flat tappet cams   

DUAL DRILL HEAD FOR "LA" INTAKE BOLT PATTERN   

ARP 144-3604 : Bolts, Head Set Iron Magnum, ARP Brand Hex Head, Magnum 318 & 360 Eng 

7183S Bolts, Head Set Iron Magnum : Stock OEM Style Hex Hd, Mag 318 & 360 Eng  

Fel Pro 9898pt .054" X 4.172" Bore : Felpro Standard Gasket   

HS9898PT2 Gasket, Head Set Magnum V8 : '98-'03 5.2 & 5.9 Magnums Fel Pro Kit    

1550 Rocker Arm Kit  Stainless Steel    

1555 Shaft Mounted Rocker Arm Kit    

 

Home | Phone: 309-745-9558 | Email: information@hughesengines.com