Orders may take longer than usual to process due to manufacturers having issues receiving and shipping parts. If you need to know if a part is in stock, please call prior to placing your order. We are doing everything within our control to ship orders as soon as possible.
17802818 - COPO LS7 CNC Cylinder Head Assembly
This product may require vehicle validation(s) for proper fitment. Please contact us to confirm correct vehicle fitment and usage.
New
SKU: 17802818
USD
3461.94
Complete GM LS7 Cylinder Head Assembly
356-T6 aluminum Fully CNC'd ports & chambers C5R / LS7 rectangle port design - Requires intake manifold part number 25534394 or 12568976 Assembled with 2.20" titanium intake and 1.61" sodium filled exhaust valves 12 valve angle Designed for big bore blocks: LS7, C5R, LSX or Warhawk (Minimum 4.065" bore) 270cc CNC'd intake ports 85cc CNC'd exhaust ports 70cc CNC's combustion chambers All fasteners are metric capable of over 600 HP Bare head # 12575450 is also available Head contains the following components :
12591644 intake valve
12578455 exhaust valve
12578457 valve spring
10166345 valve lock
12596508 valve spring retainer
12482063 intake stem seals
12482062 exhaust stem seals
12596509 intake lash cap
Flow Data:
Lift .100" .200" .300" .400" .500" .550" .600" .700" Intake Flow 71 145 222 271 315 332 348 352 Exhaust Flow 60 120 159 192 207 214 219 221
Requires Shipping: Item Requires Shipping
Weight: 30.0 lbs.
Package Dimensions: W24.0000” x H7.0000” x L10.0000”
Trusted Specialists
GM engine & parts specialists
Located in the USA
Owned, operated, & employed
Need Assistance?
Call us at 888-748-4655
Have a Question
Email us and we'll get back to you within 24 hours
FAQ
Check out popular questions
Close
Total Reviews (0)
Write the First Review!