LN Engineering Billet Porsche 993RS Cylinder Heads
$14,995.00
LN Engineering’s Billet 993RS Cylinder Heads feature OEM/German 51.5×43.5mm valves, twin plugs, performance springs and retainers, and custom guides and seats. Heads are fully machined and assembled at LN Engineering by our team of skilled machinists and cylinder head experts. Ports were scanned off an original 993RS factory head. All heads receive a precision Serdi valve job and are vacuum tested. Typical chamber volume of 90cc.
Our default configuration includes twin plugs and are set up for a 993 Carrera intake.
These billet cylinder heads are perfect for any 964 /993 Porsche engine build.
Custom heads can be special ordered with typical lead time of 8-10 weeks. Ferrea Racing valves, coatings and other processes like cryogenic treatment also available.
Description
Upgrade your aircooled Porsche 911 with LN Engineering’s billet aluminum cylinder heads for 3.6/3.8 964 & 993 engines. Designed for performance, strength, and durability with modern CNC precision.
Important: Before ordering, always confirm that the part fits your specific type/model/engine.
Additional information
| Weight | 60 lbs |
|---|
- Images are stock photos. Actual product may vary. While we strive to ensure that all product images and descriptions on our website are accurate, slight variations in appearance may occur due to updates in design, manufacturing processes, or material finishes. These differences do not affect the functionality or quality of the product. If you have specific concerns or need more details before purchasing, please contact our customer support team for assistance.
- Some items may be special order, out of stock, subject to additional freight charges, or import duties. Customers will be contacted for any of these special situations for customer approval before proceeding with any order.
- The Seller, hereby expressly disclaims all warranties either express or implied, including any implied warranty of merchantability or fitness for a particular purpose, and neither assumes nor authorizes any other person to assume for it any liability in connection with the sale of this part(s) and/or service. Buyer shall not be entitled to recover any consequential damages, damages to property, damages for loss of use, loss of time, loss of profits, or income, or any other incidental damages. In addition, expressly excluded is any liability for defects pertaining to safety or performance, by way of ‘‘strict liability’’, negligence or otherwise. In the event of non-payment, the Buyer agrees that the costs of collection including court cost, and reasonable attorney’s fees, shall be recoverable from the Buyer. The Buyer has read and with any transaction, agrees to all of the terms and conditions in connection with the Seller.
- Terms: • All Returns/Exchanges Require Written or Verbal Pre-Authorization and RMA Number. • Positively No Exchanges Without This Invoice. • No Refunds On Opened Packages Or Used Parts. • Items Returned Must Be In Original Packaging. • No Refunds On Special Orders. • No Return On IMS Parts. • No Refunds After 30 Days. • 25% Handling Charge On All Returned Items. • No Returns On Electrical Parts. • Refund On Purchases Paid By Check Are Refunded After Check Clears. • Limited Lifetime Warranty on NSC plating provided by Millennium Technologies LLC and subject to their terms and conditions. • There is no warranty on blocks processed with the Nickies Lite direct plating process. • Any Damage Must Be Reported to the Shipper and LN within 24 Hours of Receipt.

Some products sold by LN Engineering LLC or on https://www.LNengineering.com contain or may contain chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. LN Engineering has chosen to provide a warning based on its knowledge of the presence of one or more listed chemicals without evaluating the exposure. Products may contain chemicals in amounts acceptable by the safe harbor levels as outlined by Proposition 65, or not at all, however we have chosen to issue this warning on all of our products as an act of caution.
You may also like…
-

LN Engineering Billet Aluminum Chain Boxes for Porsche 911 2.0-3.2 70-89 3.3T -92
$4,199.00 Select options This product has options that may be chosen on the product page -

LN Engineering Billet Aluminum Porsche 911 Chain Box Covers
$995.00 Select options This product has options that may be chosen on the product page -

LN Engineering Billet Porsche 911 Breather Cover Lid
$279.00 Select options This product has options that may be chosen on the product page -

Hastech Engineering Porsche 911 Crankcase Ventilation Oil Blow-by Separator
$575.00 Add to cart -

91110516200LN Porsche 911 1969-1983 Billet Aluminum IMS Cover
$185.00 Select options This product has options that may be chosen on the product page -

LN Engineering Billet Porsche 911 930 Single & Twin Plug Valve Covers
$1,549.00 Select options This product has options that may be chosen on the product page




