GM Performance Cylinder Head, LSX, Aluminum, Assembled, 70cc Chamber, 270cc Intake, Chevy, Small
Part Number:GMP-19201806
GM Performance Cylinder Head, LSX, Aluminum, Assembled, 70cc Chamber, 270cc Intake, Chevy, Small Block, LS7, Each (PART #GMP-19201806)
Great cylinder head airflow is yours with GM Performance LSX cylinder heads. With power-building attributes, these aluminum heads are manufactured from 319-T5 aluminum alloy and assembled with premium lightweight hollow-stem valves, sodium-filled exhaust valves and--on some models--titanium intake valves. Ensure maximum airflow and exceptional performance with GM Performance LSX cylinder heads.
SPECIFICATIONS |
|
| Brand | GM Performance |
| Manufacturer's Part Number | 19201806 |
| Part Type | Cylinder Heads |
| Product Line | GM Performance LSX Cylinder Heads |
| Combustion Chamber Volume (cc) | 70 |
| Intake Runner Volume (cc) | 270cc |
| Exhaust Runner Volume (cc) | 85cc |
| Cylinder Head Style | Assembled |
| Cylinder Head Material | Cast aluminum |
| Intake Port Shape | Rectangular |
| Intake Valve Diameter (in.) | 2.200 in. |
| CNC-Machined Combustion Chamber | No |
| CNC-Machined Intake Runner | No |
| CNC-Machined Exhaust Runner | No |
| Intake Port Location | Standard |
| Exhaust Port Shape | D-port |
| Exhaust Port Location | Standard |
| Spark Plug Style | Angle |
| Intake Valves Included | Yes |
| Exhaust Valves Included | Yes |
| Exhaust Valve Diameter (in.) | 1.610 in. |
| Valve Springs Included | Yes |
| Maximum Valve Lift (in.) | 0.650 in. |
| Outside Diameter of Outer Spring (in.) | 1.290 in. |
| Damper Spring Included | No |
| Number of Springs Per Valve | Single |
| Retainers Included | Yes |
| Retainer Material | Steel |
| Locks Included | Yes |
| Valve Stem Seals Included | Yes |
| Valve Stem Seal Style | Positive stop |
| Rocker Arm Studs Included | No |
| Rocker Arms Included | No |
| Rocker Arm Nuts Included | No |
| Guideplates Included | No |
| Valve Cover Mounting Style | Centerbolt |
| Accessory Bolt Holes Drilled | Yes |
| Intake Valve Angle | 12 |
| Exhaust Valve Angle | 12 |
| Valve Guides Included | Yes |
| Valve Guide Material | Powdered metal |
| Valve Seats Machined | Yes |
| Valve Seat Material | Steel |
| Cylinder Head Color | Natural |
| Steam Holes Drilled | No |
| Oiling Style | Through pushrod |
| Machined for O-Ring | No |
| Heat Crossover | No |
| Remanufactured | No |
| Quantity | Sold individually. |
| Notes | These cylinder heads are not designed as a stock replacement, they can only be used on LS-based engines with a minimum bore diameter of 4.100 in. Must be used with LS7 rocker arms and bolts. |
