• Frankenstein Engine Dynamics M311 LS3 Rect-Port Cylinder Head assembled, showcasing detailed aluminum construction and port design.
Product information
Weight 37 lbs
Dimensions 26 × 12 × 10 in
Product Line

M311
Quantity

Each
Assembled/Bare

Assembled
Chamber Volume

71 cc
Intake Runner Volume

273 cc
Exhaust Runner Volume

93 cc
Intake Port Shape

Square
Intake Port Location

Stock
Intake Port Height

2.670 in
Intake Port Width

1.400 in
Exhaust Port Shape

Round
Spread Exhaust Port

Yes
Exhaust Port Location

Stock
Exhaust Port Height

1.700 in
Exhaust Port Width

1.860 in
Exhaust Port Bolt Pattern

Stock
Intake Valve Size

2.165 in
Intake Valve Included

Yes
Exhaust Valve Size

1.600 in
Valve Spring Included

Yes
Valve Spring Retainers Included

Yes
Valve Locks Included

Yes
Valve Seal Included

Yes
Rocker Stud Size

8 mm x 1.25
Valve Guide Included

Yes
Valve Guide Material

Bronze
Center Mount Valve Cover

Yes
Valve Seat Included

Yes
Intake Valve Seat Material

Ductile Iron
Exhaust Valve Seat Material

Ductile Iron
Valve Seat Finish

Machined
Combustion Chamber Finish

CNC Machined
Intake Runner Finish

CNC Machined
Exhaust Runner Finish

CNC Machined
Intake Valve Angle

11 Degree
Exhaust Valve Angle

11 Degree
Accessory Bolt Holes

Drilled and Tapped
Material

Aluminum
Color

Natural
Finish

Natural
Intake Valve Material

Stainless
Intake Valve Length

5.405 in
Exhaust Valve Material

Inconel
Exhaust Valve Length

5.42
Valve Spring Retainer Material

Steel
Valve Lock Material

Steel
Valve Seal Material

Viton
Brand

FRANKENSTEIN ENGINE DYNAMICS
Type

Cylinder Heads
Condition

Manufacturer Part Number (MPN)

113004
Description
Cylinder Head - M311 - Assembled - 2.165 / 1.600 in Valve - 273 cc Intake - 71 cc Chamber - Aluminum - LS3 - GM LS-Series - Each

Frankenstein Engine Dynamics

Frankenstein Engine Dynamics 113004 - M311 LS3 Cylinder Head Rect-Port Assembled

SKU CHCM311
$1,666.00
Product information
Weight 37 lbs
Dimensions 26 × 12 × 10 in
Product Line

M311
Quantity

Each
Assembled/Bare

Assembled
Chamber Volume

71 cc
Intake Runner Volume

273 cc
Exhaust Runner Volume

93 cc
Intake Port Shape

Square
Intake Port Location

Stock
Intake Port Height

2.670 in
Intake Port Width

1.400 in
Exhaust Port Shape

Round
Spread Exhaust Port

Yes
Exhaust Port Location

Stock
Exhaust Port Height

1.700 in
Exhaust Port Width

1.860 in
Exhaust Port Bolt Pattern

Stock
Intake Valve Size

2.165 in
Intake Valve Included

Yes
Exhaust Valve Size

1.600 in
Valve Spring Included

Yes
Valve Spring Retainers Included

Yes
Valve Locks Included

Yes
Valve Seal Included

Yes
Rocker Stud Size

8 mm x 1.25
Valve Guide Included

Yes
Valve Guide Material

Bronze
Center Mount Valve Cover

Yes
Valve Seat Included

Yes
Intake Valve Seat Material

Ductile Iron
Exhaust Valve Seat Material

Ductile Iron
Valve Seat Finish

Machined
Combustion Chamber Finish

CNC Machined
Intake Runner Finish

CNC Machined
Exhaust Runner Finish

CNC Machined
Intake Valve Angle

11 Degree
Exhaust Valve Angle

11 Degree
Accessory Bolt Holes

Drilled and Tapped
Material

Aluminum
Color

Natural
Finish

Natural
Intake Valve Material

Stainless
Intake Valve Length

5.405 in
Exhaust Valve Material

Inconel
Exhaust Valve Length

5.42
Valve Spring Retainer Material

Steel
Valve Lock Material

Steel
Valve Seal Material

Viton
Brand

FRANKENSTEIN ENGINE DYNAMICS
Type

Cylinder Heads
Condition

Manufacturer Part Number (MPN)

113004
Description
Cylinder Head - M311 - Assembled - 2.165 / 1.600 in Valve - 273 cc Intake - 71 cc Chamber - Aluminum - LS3 - GM LS-Series - Each
$1,666.00

Frankenstein Engine Dynamics M311 LS3 Rect-Port Cylinder Head assembled, showcasing detailed aluminum construction and port design.

Product information
Weight 37 lbs
Dimensions 26 × 12 × 10 in
Product Line

M311
Quantity

Each
Assembled/Bare

Assembled
Chamber Volume

71 cc
Intake Runner Volume

273 cc
Exhaust Runner Volume

93 cc
Intake Port Shape

Square
Intake Port Location

Stock
Intake Port Height

2.670 in
Intake Port Width

1.400 in
Exhaust Port Shape

Round
Spread Exhaust Port

Yes
Exhaust Port Location

Stock
Exhaust Port Height

1.700 in
Exhaust Port Width

1.860 in
Exhaust Port Bolt Pattern

Stock
Intake Valve Size

2.165 in
Intake Valve Included

Yes
Exhaust Valve Size

1.600 in
Valve Spring Included

Yes
Valve Spring Retainers Included

Yes
Valve Locks Included

Yes
Valve Seal Included

Yes
Rocker Stud Size

8 mm x 1.25
Valve Guide Included

Yes
Valve Guide Material

Bronze
Center Mount Valve Cover

Yes
Valve Seat Included

Yes
Intake Valve Seat Material

Ductile Iron
Exhaust Valve Seat Material

Ductile Iron
Valve Seat Finish

Machined
Combustion Chamber Finish

CNC Machined
Intake Runner Finish

CNC Machined
Exhaust Runner Finish

CNC Machined
Intake Valve Angle

11 Degree
Exhaust Valve Angle

11 Degree
Accessory Bolt Holes

Drilled and Tapped
Material

Aluminum
Color

Natural
Finish

Natural
Intake Valve Material

Stainless
Intake Valve Length

5.405 in
Exhaust Valve Material

Inconel
Exhaust Valve Length

5.42
Valve Spring Retainer Material

Steel
Valve Lock Material

Steel
Valve Seal Material

Viton
Brand

FRANKENSTEIN ENGINE DYNAMICS
Type

Cylinder Heads
Condition

Manufacturer Part Number (MPN)

113004
Description
Cylinder Head - M311 - Assembled - 2.165 / 1.600 in Valve - 273 cc Intake - 71 cc Chamber - Aluminum - LS3 - GM LS-Series - Each

Frequently Bought Together

Total price$22,509.00

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