Frankenstein 273cc M311 Boost Monster Heads
Frankenstein 273cc M311 Boost Monster Heads
Regular price
$3,729.96 USD
Regular price
$3,729.96 USD
Sale price
$3,729.96 USD
Unit price
/
per
M311 273cc Boost Monster (LS3) 11deg (SET) w/ Billet Rocker Rails
- Configured for turbos, superchargers and boosted race applications.
- Fully CNC Ported, 68cc Chamber Volume
- 273cc Intake Port, 112cc Exhaust Port and 11° Valve Angle
- High Quality Components:
- CHE Bronze Guides
- Inconel Exhaust Valves
- Black Nitride Stainless Steel Severe Duty Intake Valves
- Custom PAC .700” Lift Valve Springs
- Titanium Retainers
- O-Ringed Exhaust Ports (Hi-Temp Silicone O-Rings Included)
- 2″ Headers Recommended
- Sold Per Set
Available on backorder