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Wiseco Pistons Kit 81mm - Honda Acura B18 LS VTEC B18 w/ B16A head - K541M81AP

WIS_K541M81AP


Item Details

Application: Acura / Honda B18 LS VTEC (B18A1/B1 with B16A VTEC Head)

Bore: 81.00mm / 3.189"
Oversize: Standard
Stroke: 3.504
Gasket Thickness: .030
Compression Ratio: 8.39

  1. Aerospace grade materials, forged for maximum strength.
  2. Precision tolerance CNC machining for quality, repeatability and performance.
  3. Crown thickness and ring lands designed for power adders such as forced induction (turbos & blowers) and nitrous oxide. Note: High compression pistons are generally designed for naturally aspired application.
  4. High Quality Piston Rings featuring positive twist nitride steel top ring, Napier 2nd ring, and nitrided rails on a specially designed expander for the best oil control.
  5. Wrist Pins constructed of chrome moly steel material for the ultimate in strength.
  6. Honed/Reamed pin bore holes for a precise tolerance fit between wrist pin and piston.
  7. Wire Retainer Clip Lock, featuring chrome silicon material for the ultimate yield strength.
  8. Piston deburred for performance and reliability.
  9. All specs based on U.S. engine codes unless noted.
  10. Included: Pistons, Rings, Wrist Pin Locks, and Wrist Pins.

Due to the sheer amount of piston options on the market, we do not stock every set although we do try to have the most popular. Most ship within a week, but expect 2-3 weeks to get your items to be safe. If you need a more exact ETA please message us before purchase.


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Inventory:  If you are making a time sensitive order please message us to inquire about availability. 

Customer Support:  Messages are normally answered within 24 hours, excluding weekends and holidays.  Please contact us if you need immediate assistance.  Please include your vehicle's year, make, model, engine size, and drive train when asking a fitment question.

Return Policy:  Absolutely no refunds on turbo kits, intercoolers, wheels, exhaust systems, downpipes, brake kits, coil over kits, clutch kits, clutch kit components, flywheels, special orders or electronic parts. Waivers on this policy can be reviewed on an individual basis with our management staff. Store credit can be applied on item's that are 100% not used or mounted to the vehicle. 20% restocking fee applies. A 10% cancellation fee applies to ANY canceled order.  The item must be returned in its original condition for a full refund.

Shipping to APO and PO Boxes:  We can ship to these addresses but only via USPS.  Some items are too bulky to ship with USPS, please inquire beforehand if you think this may be an issue.

International Shipping Info:  We will not ship items as “Gifts”. Please be sure to provide telephone number for all international shipments.  UPS is our preferred carrier but FedEx and USPS are available.  If you fail to provide a telephone number and the item is returned to us you will be charged again for shipping!

Domestic Shipping Info:  All orders are shipped directly from the manufacturer or from a warehouse location.  Local pickups are available. Once the order has been process and placed into transit we cannot change or modify the service or address. Shipping insurance is included. We use FedEx and USPS for most orders. We are unable to guarantee a specific carrier.

Sales Tax:   Florida residents will be charged sales tax based on their county of residence. 

Product Listing and Pricing:  Titan Motorsports strives for accuracy in all item descriptions, pictures, compatibility references, detailed specifications, pricing, links and any other product-related information listed or referenced on our website. In the event a product listed on our website is labeled with an incorrect price due to some typographical, informational, technical or other error, please contact us immediately to resolve the issue.

Titan Motorsports is your place for import performance. We specialize in the sport compact car arena. However, this does not limit us to any particular make or model vehicle; we are more than capable to supply you with parts for any import or domestic.

Having started with Toyota Supras and expanding to Toyota Celica, Subaru WRX, Mitsubishi Evo, Nissan Silvia, Nissan 350Z / Infiniti G35, Titan Motorsports now sells and stocks parts for all vehicles. Our record setting Toyota Supra is nearing retirement and has run as fast as 7.71 @ 183 mph, fastest in the world. Our ground breaking Scion tC has gone 6.40 @ 220.15 in the Pro RWD class and has won the Sport Compact Championship for the third time in a row. We are currently traveling the ADRL Extreme 10.5” class and have gone a record setting 3.92 @ 190 in the 1/8th mile. 
 
We have full installation and fabrication capabilities at our 25,000 sq/ft location in Orlando, Florida. With over a $1.5 million in inventory available we are more than capable of supplying you with all of your import performance needs; retail as well as wholesale.




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