570HP LS1 LS2 CATHEDRAL PORT CYLINDER HEADS, ASSEMBLED Dual Springs, - PAIR (2 Heads) 5.7L 6.0L
210cc Competition as cast Ports, Assembled PAC Springs
SOLD OUT
Description
LS1 LS2 CATHEDRAL PORT - CYLINDER HEADS to suit the 5.7ltr and 6.0ltr
Assembled, using Stainless Steel valves and DRP Polished Dual Spring kit (PAC Springs). Hand assembled by Total Performance in Melbourne.
These Cylinder heads are a Performance replacement to the GM LS1 Cylinder heads. All factory mounting points with the Performance of a As Cast competition port and chamber all assembled and reay to bolt on and go!
2 Assembled Heads included in sale.
- Upgraded Bronze Valve Guides 0.570" OD x 8mm stem
- Valve Stem seal: 0.500" (the factory Hat type seals wont fit)
- Hard 355-T6 Aluminium - Race Quality.
- 3 Angle Valve Seats - machined - ready for assembly
- Deck thickness: 0.425"
- Intake Valve size: 2.020" Upgrade
- Exhaust Valve size: 1.600" Upgrade
- Intake Port: 212cc
- Exhaust Port: 84cc
- Combustion Chamber: 66cc
- Flat Mill: .006" per CC. Minium chamber size 58cc.
- Spark Plugs: 14mm x .750" Tapered Seat.
Exceptional Quality for a Wow factor of a price!
These Cylinder heads flow and work like you wont believe. Best Bang for your Buck!
Dont waste your time or money on rebuilding old units - upgrade now. Forget the headaches, poor valve seats and crack testing woes.
- PAC Polished Dual Valve Springs
- DRP stainless steel - made in Argentina
- Assembled at Total Performance - Melbourne.
Flow Figures: in CFM
Flow Figures: in CFM - Please be aware of bore size when comparing CFM numbers. A larger bore will always inflate flow figures as a result of the intake valve being unshrouded. Even 020" increase in the bore will inflate flow figures by more than 10%-20%. We recommend checking a CFM flow rate that is flowed on the same size bore as you intend to use.
Flowed @ 28" on a 4.000" Bore.
Lift Intake Exhaust
200 138 96
300 205 140
400 248 175
500 272 194
550 275 199
600 278 203 572 HP flow potential
650 265 205
700 268 207
HP figures are "Potential" based on Flow/Velocity calculations*
Exceptional Quality for a Wow factor of a price!
Specifications
| SKU | DRP-LS1210-DSHR |
| Brand | DRP |
| Unit Of Measure | ea |
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