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Custom JE & CP Pistons
LN Engineering’s custom forged pistons are the best of their kind. Every piston is custom made, so whatever the case, we work with your desired engine specifications to make the ideal pistons for your application, period. Choose between our standard JE Forged Pistons, or for the ultimate in custom forged pistons, we offer CP Forged Pistons, for Porsche and Volkswagen. $739 for Custom JE Pistons (4 cylinder) including performance rings, wrist pins, and locks. $1065 for Custom JE Pistons (6 cylinder) including performance rings, wrist pins, and locks. Special pricing only valid with purchase of Nickies cylinders or other qualifying product or service. Split oil returns are standard as well as nikasil-compatible ring. Internal lightening, mill under crown, anti-detonation groove, lightweight pins, accumulator groove, dual forced pin oilers, lateral gas ports, ultra-groove, forged side relief / strutted pistons, thermal barrier coatings, skirt coatings, casidium (DLC) coating, and any other options extra. All LN Engineering forged pistons are designed to work with any cylinder kit, but perform the best when paired with our very own Nickies™ cylinders: The Original Solid Aluminum CNC Billet Nikasil™ -Plated Cylinders for Porsche and Volkswagen. The proprietary alloy used for our Nickies™ cylinders is designed for optimal piston to cylinder clearance using the high strength (no silicon) 2618 forging alloys used by JE and CP Pistons. Our custom forged pistons are the best of their kind. They feature the low-friction slipper skirts, low weight, balancing within 1/2 a gram, and are manufactured from the superior 2618-aluminum forged alloy material when specified for use with our Nickies™ cylinders. Our pistons are designed to maintain optimal deck height for maximum quench. Good quench allows for faster burn and better thermal efficiency, leading to better gas mileage, lower potential for detonation, and more power. We can supply JE, CP, Mahle, Wossner, Omega or any other forged pistons to meet your needs or even supply cylinders to fit your existing pistons. Whatever the case, here’s the bottom line: we work with you to provide ideal pistons and cylinders for your application, period. Contact us at 815-472-2939 or info@LNengineering.com to bring your “tried and true" Aircooled engine to the new standard of precision performance!
Click here to view a gallery of pistons or scroll below to see a selection of pistons we can do or scroll below for a selection of pistons for the Porsche 356, 911, 912, 914, and VW Type 1 and 4.
The piston below shows a piston with accumulator groove, anti-detonation grooves, and a very short pin height, which required oil rail supports in this stroker configuration.
Custom 88mm 8.5:1 Turbo JE Piston for Porsche 356,
As shown above, this is a 9.5:1 86mm JE Pistons for a 356 SC, with internal lightening, accumulator groove, split oil returns, forced pin oilers, and coatings. Weighs in at 299g.
Before and after coated 12:1 90mm 1883cc Porsche 356 Piston, made for Air Power Racing
90.5mm 1900 9.5:1 Forged JE Pistons for use with custom Nickies made for Air Power Racing
Another custom turbo piston, this time with thermal barrier coating and anti-friction coating.
Custom Porsche 914 JE flat top pistons featuring split oil returns, dual pin oilers, accumulator groove, short combustion height with oil ring support rails, and milled skirts.
Sample of engineering done in co-operation with JE for custom forged Pistons. In this example, we're building a dished piston for a big bore Nickies turbo Porsche 914.
VW Type 4 Porsche 914 96mm Keith Black Hypereutectic pistons shown with Calico Coatings thermal barrier coating on crowns and low friction coating on ring lands and skirts. These pistons work extremely well with Nickies, allowing a near zero clearance in most cases.
VW Type 1 Mahle Piston shown with Calico Coatings thermal barrier coating on crown and low-friction coating on ring lands and skirts. These pistons are an economical alternative to JEs in bore sizes of 90.5, 92, and 94mm.
Another coated high-compression Porsche 356 piston.
Special spherical domed 100mm VW Type 4 Porsche 914 high-compression piston for peanut-style chambers.
Our original VW Type 4 / Porsche 914 "Ultra-Quench" piston with chamber-shaped dish and quench pads. We use this design with dishes up to 15ccs or .080" deep (whichever is less) to dial in total chamber cc's. Also available for the VW Type 1.
Custom Porsche 356 Forged JE piston shown with our advanced 1.2/1.5/2.7mm ring set, split oil returns, and dual forced pin oils. No other company offers pistons like them! Website last updated September 14th, 2007. Contact webmaster at info@LNengineering.com Copyright LN Engineering LLC ©2006, 2007. |
LN Engineering Nickies™
are Proudly 100% Made in the USA!
The “Ultra-quench” dish shape design as shown
mimics the shape of the combustion chamber and is sized to allow the
compression ratio you want while maintaining optimal ~.040” deck height for
maximum quench. This results in a faster burn for better thermal efficiency,
leading to better gas mileage, lower potential for detonation, and best of
all, more power. This special crown design is available for both the VW Type
1 and Type 4, as well as the Porsche 914. 
Specialty
thermal barrier coatings for the piston crown and anti-friction coatings for
the ring lands and pistons skirts are available, as well as cryogenic
treatment and Casidium diamond like carbon coatings. These added procedures
work best when also done to cylinder heads and related reciprocating engine
components, such as rods and crankshaft. Cryogenic services provided by 300
Below as well as Performance Cyrogenics. Coatings provided by Calico
Coatings. Casidium is a TM of Anatech. 
