LA STYLE INDY "X" HEADS CNC SUPER PREP
CNC SUPER PREPPED STREET/STRIP HEADS
Small block CNC Super prepped heads with custom designed CNC combustion chambers that deliver air flow that is very close to fully ported aluminum heads.
This is a PAIR of brand new head castings with new 2.02" one piece stainless intake valves and 1.620" one piece stainless exhaust valves and Hughes CNC Super Prep work. Includes our proprietary racing valve job along with blending of the valves into the chamber which increases flow.This includes our 1129 spring kit installed on the heads.
A pair of new, small block cast iron INDY "LA-X heads (62cc chambers)
One piece stainless valves- 2.02” intake and 1.620” exhaust with 5/16” stems (+.100 longer valve stems for increased valve spring height)
Hughes Engines proprietary racing valve job
Blending of valves into the chamber to increase airflow
Hughes Engines CNC Super Prep combustion chamber work
Small combustion chambers. 64 or 67cc for higher compression without having to switch pistons in LA engines
Bronze valve guides for longer life
1129 spring kit (springs, locks, retainers & seals) good for most Hyd roller and flat tappet solid cams.
What’s NOT included: (all available at an extra charge. Call for details)
Milling the heads
Pushrod Tunnel clearancing (available at an extra charge)
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
The photo below is of a CNC Super Prepped chamber with a racing valve job.
This LA-X head uses the standard "LA" intake manifold and shaft style rocker system. It is drilled for the proper valve cover and gasket and contains both Chrysler LA and Magnum accessory holes on both ends of the head.
A cast iron replacement, the Indy 360 LA-X Head series is designed for both Small Block LA applications (318-360-415cid). With a host of additions and improvements over the factory originals, these heads are an easy way to get 400 to 550 horsepower out of your Mopar-powered street machine. Features of these impressive heads include 179cc intake and 67cc exhaust runners, a 62cc combustion chamber, multi-angle intake and hardened radiused exhaust valve seats, an improved valve guide design and a highly efficient water jacket to prevent engine hot spots. The 360 LA-X Cylinder Heads also come with an extra thick deck surface to enable angle milling for compression.
To view the flow chart for this head click the button below.
NOTE: To use these heads on a magnum block, the block must have the L.A. shaft oil passages. These are located between the #1 and #3 cylinders and between the #6 & #8 cylinders.
DUAL DRILL HEAD FOR "LA" INTAKE BOLT PATTERN
ARP 144-3604 ARP Head Bolt Kit
7183S Bolts, Head Set Iron Magnum:Stock OEM Style Hex Hd, Mag 318 & 360 Eng
ARP 144-3604 Bolts, Head Set Iron Magnum: ARP Brand Hex Head, Magnum 318 & 360 Eng
FEL 1008 Fel Pro Racing Gasket .039" x 4.180"
HS9898PT2 Gasket, Head Set Magnum V8 : '98-'03 5.2 & 5.9 Magnums Fel Pro Kit
HUG 15023 1.5:1 Rocker Arm Kit w/Shafts
HUG 15063 1.6:1 Rocker Arm Kit w/Shafts
7440 Small Block Rocker Hold Down Stud Kit