Find Your Part:
Search
OR


Return to Parts List

Category : B- Small Block Dodge Magnum : Cylinder Heads

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 Intake Average CFM Exhaust Average CFM
.100 66  
.200 116 91
.300 177 138
.350 202 155
.400 224 167
.450 239 171
.500 252 174
.550 262 176
.600 263 177
.650 263 179
.700 246 179

 


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