Product Description
Frankenstein M712 Boost Monster 283cc LS7 CNC Ported Cylinder Heads (SET)
In Stock, Ready to Ship!
The Frankenstein M712 Boost Monster LS7 Cylinder Heads are engineered for serious boosted LS engine combinations where maximum airflow, durability, and reliability are required. Featuring fully CNC-ported 283cc intake runners, 95cc exhaust ports, and 68cc combustion chambers optimized for forced induction, these heads are designed to support high-horsepower turbocharged and supercharged applications.
Each head is assembled using premium components, including Manley Severe Duty stainless steel intake valves, Inconel exhaust valves, titanium retainers, upgraded CHE bronze valve guides, and a high-performance dual valve spring package. The 12 degree valve angle and precision CNC porting deliver outstanding airflow and power potential while maintaining excellent durability in demanding racing environments.
Features:
- Fully CNC-ported LS7 cylinder heads
- 283cc intaker runners
- 95cc exhaust ports
- 68cc combustion chambers optimized for boosted applications
- 12 degree valve angle
- Upgraded CHE bronze valve guides
- Custom FED by PAC .700" dual valve springs (.700 Lift) 1.780" Installed Height | 164 lbs @1.780" Seat Pressure | 485 LBS @ 1.080" Open Pressure
- 2.205" Manley Severe Duty Stainless Steel Intake Valves
- 1.614" Inconel Exhaust Valves
- Titanium Retainers
Proven Flow Performance:
- Intake Flow: 395 CFM
- Exhaust Flow: 261 CFM
Additional Notes:
- Rockers: Accepts Standard LS7 Style Rocker Arms
- Sold as a Complete Assembled Set
