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Frankenstein - M311 273cc LS3 Cylinder Heads (SET)
M311 273cc LS3 Cylinder Heads
Fully CNC ported, Stainless Steel Severe Duty Valves, PAC .700” Lift Valve Springs, O-Ringed Exhaust Ports and Titanium Retainers
- Fully 5-Axis CNC ported, 68cc chamber volume
- 273cc intake port, 112cc exhaust port and 11° valve angle
- If needing to extend your alternator harness connection, use ICT# WEALT30-36 (4-pin) or WEALT40-36 (2-pin)
- High Quality Components:
Black Nitride Stainless Steel Severe Duty Valves
Custom PAC .700” Lift Valve Springs
Titanium Retainers - O-Ringed Exhaust Ports (Hi-Temp Silicone O-rings Included)
- 2″ Headers Recommended
- Compatible with 4-bolt and 6-bolt cylinder heads
*Does not include rockers or rocker stands
$1,166.55
Original: $3,333.00
-65%Frankenstein - M311 273cc LS3 Cylinder Heads (SET)—
$3,333.00
$1,166.55Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
M311 273cc LS3 Cylinder Heads
Fully CNC ported, Stainless Steel Severe Duty Valves, PAC .700” Lift Valve Springs, O-Ringed Exhaust Ports and Titanium Retainers
- Fully 5-Axis CNC ported, 68cc chamber volume
- 273cc intake port, 112cc exhaust port and 11° valve angle
- If needing to extend your alternator harness connection, use ICT# WEALT30-36 (4-pin) or WEALT40-36 (2-pin)
- High Quality Components:
Black Nitride Stainless Steel Severe Duty Valves
Custom PAC .700” Lift Valve Springs
Titanium Retainers - O-Ringed Exhaust Ports (Hi-Temp Silicone O-rings Included)
- 2″ Headers Recommended
- Compatible with 4-bolt and 6-bolt cylinder heads
*Does not include rockers or rocker stands