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337 Coldstream Road

Phoenixville, PA 19460

tel: 484.921.5121 / fax: 484.921.5124

NikaSeal Cylinder Plating and Repair

PowerSealUSA Your Performance Headquarters

Find your answers here:

How do I ship my cylinder?

Print and completely fill out the PowerSeal USA Work Order on this website. Pack your cylinder in a sturdy box using quality packing material. We suggest using bubble wrap, completely encasing the part, and filling the entire box to avoid jostling during shipment. Please put the completed Work Order form in the box with the cylinder and ship to:

Powerseal USA

337 Coldstream Road

Phoenixville, PA 19460

When will I have my cylinder back?

Turnaround time varies with our work load. We are extremely busy from January through May. Please see the Home Page for current turn around time. Expedited service is available for an additional service charge and cuts the in-house time by 50%. Please note that in house time does not include shipping time to and from our location

How much will it cost?

Cost will vary depending on the work required. The least expensive repair service is plating and honing. If the cylinder base metal is damaged, we may need to perform welding and machining repairs for an additional service charge. To save yourself some money, please remove all studs, powervalves, and fittings from the cylinder before shipping it to us. We will remove these parts for you, however, we must charge for these services. Please refer to the “Prices” page for standard service charges.

How can I tell if my cylinder needs welding?

If the base metal under the existing plating or ports and bridges is visibly damaged, the cylinder will require a weld repair. Scratches in the base metal deeper than 0.020” will likely require a weld repair. Cracked exhaust port or intake port bridges will also require welding. In some cases, we cannot determine the extent of the damage or the repair work required until the old plating has been removed.

If my cylinder is ported, will the repair affect the modified porting?

No. Our NikaSeal plating and repair process ensures that your cylinder will be returned with the ports in the condition in which they were received. If we are required to repair a damaged port, we restore it to the previous modified condition.

Can you bore my cylinder to a larger displacement (big bore) and plate it?

Yes. We provide overbore service to available pistons or to your specification. We do request that you either supply or purchase a piston from us for overbores. Please note that when overboring a cylinder, the powervalve(s), head, or engine cases may require modification to accept the larger diameter piston and to ensure proper performance. Please call our toll free number for details.

Will PowerSeal USA perform porting modifications?

No. PowerSeal USA specializes in cylinder reconditioning and plating only. Please contact a qualified engine performance tuner for your modifications.

Do I need to supply a piston?

No. If a piston is supplied or purchased from us, we will custom fit the bore and piston clearance. If no piston is supplied, we restore the cylinder to the OEM bore size. If you would like to purchase a piston (Wiseco, Vertex, JE, Pro-X, SPI , Wossner, and other major brands are available at a competitive price), we custom fit the bore and piston clearance.

Why should I have my cylinder plated instead of buying a new one?

Three reasons: quality, cost, and time. The fit and finish of a PowerSeal USA cylinder is superior to OEM. Plating is far less expensive than purchasing a new cylinder. Also, if your cylinder has been modified, you will have to pay for the modification again on a new cylinder. In most cases, we can have your cylinder repaired and in your hands quicker than you can get a new one.

Why should I have my cylinder plated instead of having it sleeved?

Sleeving a previously-plated cylinder is a big mistake. Nickel Silicon Carbide plating offers superior lubrication, better heat transfer, and greater wear resistance than a sleeve. A properly maintained plated cylinder will perform better and longer than a sleeved bore. Also, plating leaves your porting intact, eliminating any questions regarding port matching or sleeve alignment.

Do I have to do anything special when I receive my cylinder and install it?

Thoroughly clean the cylinder before installing it. Install the cylinder per the manufacturer’s recommendation. Break in per the manufacturer’s instructions. If you are not sure of installation and break in procedures, please contact PowerSeal USA or your dealer. Enjoy your new cylinder.

What if I have a problem with my cylinder?

At PowerSeal USA we stand behind our work. We take pride in our quality program and craftsmanship. If you are not satisfied with our product, please call us on our toll free number so that we can address the problem.

Are Dealer Programs available?

Yes. Please see our PowerSeal USA Dealer Application and contact us for pricing information.