LS1 CNC PORTED
ASSEMBLED CYLINDER HEADS WITH OEM VALVES
CNC Machined Chambers are NOT included
| TECHNICAL SPECIFICATIONS : | |
| Intake Valve Diameter: | 2.000" |
| Exhaust Valve Diameter: | 1.550" |
| Intake Port Volume: | 222cc |
| Exhaust Port Volume: | 83cc |
| Chambers CNC Machined | No |
| Chamber Volume: | OEM |
| Minimum Intake CSA | x.xxx" |
| Maximum Intake CSA | x.xxx" |
| Minimum Exhaust CSA | x.xxx" |
| Maximum Exhaust CSA | x.xxx" |
| Intake Seat Angle | 45 |
| Exhaust Seat Angle | 45 |
| Flow Test Bore Size | 3.910" |
| Exhaust Flow figures with pipe | NO |
| VALVE LIFT |
.100" |
.200" |
.300" |
.400" |
.500" |
.600" |
.700" |
.800" |
.900" |
1.000" |
| Intake Flow @28" H2O |
||||||||||
| Exhaust Flow @28" H2O |
RECOMMENDED USE AND INFO:
These CNC ported LS1 are our most economical version. These heads retain OEM valves and do not have CNC Machined combustion chambers.
| Description | Pavtek Part # | Price |
| 5 AXIS CNC PORTING ONLY: | ||
|
5 Axis CNC Competition Porting - Chambers/ Intake/ Exhaust - Does not include cleaning, crack testing, valve guides, milling etc. |
CNC346L301 | $ 836.55 |
| Assembled Cylinder Heads - LS1 241, 853 And 862 Castings |
H346L301HR | $ 1761 |
|
Consists of : |
||
| Valves - OEM | ||
| Springs - New Beehive - Max .625" lift | ||
| Retainers - OEM | ||
| Valve Locks - OEM | ||
| Valve Stem seals - New OEM | ||
| 5 Axis CNC Competition Porting - Intake & Exhaust | ||
| Multiangle Valve Seat Geometry | ||
| Backcut valves | ||
| K- Line bronze valve guides - honed | ||
| Surface milled | ||
| Springs measured & setup to suit cam to be used | ||
| Final washed and assembled | ||
CUSTOM LS SERIES CAMSHAFTS AVAILABLE - FROM $ 585
NEW OEM REPLACEMENT LIFTERS AVAILABLE - VL115/A FROM $ 212
ALL PRICING ABOVE IS BASED ON CHANGE OVER OR MACHINING OF YOUR CYLINDER HEADS.
CORES ARE AVAILABLE AT AN ADDITIONAL CHARGE- CALL FOR CURRENT PRICING.