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

    Frankenstein Engine Dynamics 113004 | FRANKENSTEIN ENGINE DYNAMICS M311 LS3 Cylinder Head Rect-Port Assembled

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Product Description

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

Uses Factory Style Rocker Arms - Req. FED913001 Rocker Stand

Fully CNC Ported, 72cc Chamber Volume

273cc Intake Port, 112cc Exhaust Port and 11Valve Angle

High Quality Components:

  • CHE Bronze Guides
  • Inconel Exhaust Valves
  • Black Nitride Stainless Steel Severe Duty Intake Valves
  • Custom PAC .700Lift Valve Springs
  • Titanium Retainers
  • O-Ringed Exhaust Ports (Hi-Temp Silicone O-Rings Included)
  • 2″ Headers Recommended

Specs:

  • Product Line: M311
  • 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
  • Intake Valve Material: Stainless
  • Intake Valve Length: 5.405 in
  • Exhaust Valve Size: 1.600 in
  • Exhaust Valve Included: No
  • Exhaust Valve Material: Inconel
  • Exhaust Valve Length: 5.42
  • Valve Spring Included: Yes
  • Valve Spring Retainers Included: Yes
  • Valve Spring Retainer Material: Steel
  • Valve Locks Included: Yes
  • Valve Lock Material: Steel
  • Valve Seal Included: Yes
  • Valve Seal Material: Viton
  • Rocker Studs Included: No
  • Rocker Stud Size: 8 mm x 1.25
  • Pushrod Guide Plate Included: No
  • 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
  • Quantity: Each

A designer and manufacturer of top-quality high-performance cylinder heads and intake manifolds for GM's popular LS-series engines as well as other performance powerplants, Frankenstein Engine Dynamics specializes in taking a high-output engine to the next level. They also offer premium camshafts and valvetrain components designed for maximum performance and reliability.

Frankenstein Engine Dynamics LLC is an aftermarket automobile performance racing manufacturer based in Weatherford, Texas. The company develops groundbreaking new products and offers a wide range of performance parts for various car models and engine types, including LS and small block Chevy engines. They are known for their innovative designs and high-quality products. Additionally, the company has a strong presence on social media, showcasing their various builds and products. Overall, Frankenstein Engine Dynamics LLC is a well-respected and reputable company in the automotive industry.

* This is a universal item without fitment details. Please make sure this item is for your application. LMP does not guarantee fitment on universal items.

IMAGES: Images may be a representation and may not reflect the actual product.

Policies

California Residents: Prop 65 WARNING: This product MAY contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov

California Residents: TIRE WARNING: LMPerformance will not ship Tires to California.

Legal: Some or all of these parts may not comply with Federal, State, Province, and/or Local laws, ordinances, and regulations. Buyer takes all responsibility to ensure that any modifications or upgrades that have done conform to all applicable laws and regulations for road use, especially pertaining to safety and emissions. LMPerformance is not responsible for buyer not complying with Federal, State, Province, and/or Local laws, ordinances, and regulations. This policy shall be in force for all past, current, and future purchases from LMPerformance, Inc. LMPerformance will not ship ANY non-CARB compliant products to California where California requires products to be CARB certified such as Catalytic Converters and Induction Kits.

FREE SHIPPING: Please note FREE Shipping refers to shipping within the contiguous continental US only. All other locations extra. Some items that require Truck Freight Delivery will require a Truck Freight surcharge. This surcharge is still a discounted shipping amount that is lower then the actual truck freight shipping charge that is charged to LMP. LMP will try to still give the lowest price possible for truck freight items.

IMAGES: Images may be a representation and may not reflect the actual product. Examples would be SPEC stage 3 clutch kits which all use the same photo.

TYPOS: LMPerformance tries to present the best most accurate information on our website. Sometimes we get mistakes in product information sent from vendors such as typos. We can not be responsible for these typos, if you see something that does not look right please let us know before ordering so we can double check for you first. LMPerformance will not pay for typos in any way, monetarily or otherwise.

SPECIAL ORDER ITEMS: Some items are special ordered and may not be returnable, or even cancellable as they are going into production specifically because you ordered them. Special ordered items can have a 5-35% cancelation fee.

Cancellations: Instock orders cannot be canceled due to our automated ordering & fast shipping system. To keep our prices low, all cancelations are subject to a 5% cancelation fee to cover transaction processing fees. We reserve the right to charge up to a 10% cancellation fee for cancelled orders due to merchant fees, special order fees and the cost of processing and shipping orders.When you request a cancellation of an order or a part, please note that it may take time for a manufacturer to cancel an order if the order is drop-shipped. We also have to confirm that the product has not shipped. If the product has shipped then this must be processed as a return.Also note that sometimes products ship more quickly than expected, so we recommend that you do not purchase alternative products until receiving final confirmation of the cancellation.

Returns:We cannot accept returns on parts that have been used or installed. No returns will be accepted after 30 days. All Returns must be in original packaging. Prior authorization must be given before any return can be made. Up to a 25% Restocking Fee may apply. Special orders may be subject to Additional Manufacturer Restock Fees as well. Shipping cost will not be refunded.Hoods as well as PCM Programmers may not be returned unless defective and only for replacement. ALL returns must be first filed using our online form found here: https://www.lmperformance.com/returns.

Lost Order ClaimsAll lost order/package claims must be made within 5 days of the shipping date or tracking information delivery date. All claimes made after this date will not be accepted due to Shipping companies policies of filing loss claims.

Damaged Items or Incorrect Items: Please contact us right away if your item has been damaged in shipping or are incorrect. Please note that we will ship replacement items the same method of shipping the order was originally placed for. LMPerformance can not ship packages overnight at our cost if the original shipping was not also overnight. Claims must be filed in order for replacement parts to be shipped.

Warranties:Any warranty claims must be placed with the manufacturer. All of the products sold by LMPerformance, regardless of the manufacturer, are designed for Racing and Performance applications. Many of our manufacturers offer NO WARRANTY on their products, either stated or implied, due to the unusual stresses placed on the parts and because we have no control over how they are installed and used. Many of these products are designed for off-road use only and are not legal for use on public highways. If you have a question about the warranty on a specific product, please e-mail or call us. Buyer assumes all risk and liability associated with these products.

Installation:We are not responsible for or any costs associated with the installation or the improper installation of any products. Purchaser assumes the risk associated with the installation of products. We, along with the manufacturer of each product are not responsible for any direct or indirect damage to the vehicle, personal, or costs incurred from the use of products.

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