WISECO 4993P1 Piston Cam Big 10.5

( Brand: Wiseco ), ( Manufacturer Part Number: 4993P1 ), ( Part Type: Piston Cam ), ( Carb: May Not Be Able To Ship To Ca Or Other States ), ( Product Type: Piston ), ( Product Type 2: Piston Kits Components ), ( Alt Mpn 1: 101879 ), ( Alt Mpn 2: Wis4993p1 ), ( Category 1: Top End Kits / Pistons / Rings ), ( Ride Type 1: Motorcycle V-twin Cruiser ), ( Average Delivery Time: 2-3 Days ), ( Package Weight: 0.5000 ), ( Package Length: 16.00 ), ( Package Width: 12.00 ), ( Package Height: 8.00 ), ( Manufacturer Warranty: 90 Days )

Review WISECO Powersports Piston Cam Big Bore 10.5 fits TWIN 1988

The WiseCO 4993P1 piston is a premium aftermarket replacement part designed specifically for Honda's Twin Cam Big Valve (BCRV16) engines, found in motorcycles such as the CBR1000RR and CB1000R. This piston is manufactured with utmost precision and care to ensure optimal engine performance and longevity.

The 4993P1 piston features a forged construction made from high-quality aluminum alloy. This specific alloy is known for its exceptional strength and durability, making it an ideal choice for high-performance applications. The piston's crown is designed with a dish shape and a domed top ring land, which allows for efficient combustion and optimal compression.

The piston's skirt is designed with a full-length, ribbed design that provides additional strength and rigidity. This design also helps to reduce friction between the piston and the cylinder wall, resulting in smoother engine operation and reduced wear. The piston's second ring groove accommodates an optional oil control ring, which helps to reduce engine oil consumption and improve ring sealing.

The piston's pin bore is designed with a chamfered edge, which allows for easier installation and removal of the piston pin. The piston also includes a piston pin retainer, which helps to keep the piston pin securely in place during engine operation.

The WiseCO 4993P1 piston is designed to meet or exceed OEM specifications, ensuring a perfect fit and reliable function. This piston is an excellent choice for riders who are looking to upgrade their engine components for improved performance and durability. With its forged construction, efficient design, and high-quality materials, the WiseCO 4993P1 piston is an excellent investment for any Honda Twin Cam Big Valve engine motorcycle.

Wiseco 4993P1 Piston for Twin Cam Big 10.5: A Detailed Analysis

The Wiseco 4993P1 piston is a popular aftermarket option for the Harley-Davidson Twin Cam Big 10.5 engine. Like any aftermarket part, it has its pros and cons. In this analysis, we will discuss these factors to help you make an informed decision.

1. Enhanced Performance: The Wiseco 4993P1 piston is designed to provide improved performance. It offers increased compression ratio, which results in more power and torque.

2. Durability: This piston is forged from high-quality aluminum alloy, making it stronger and more durable than stock pistons. It can withstand the rigors of high-performance riding, ensuring long engine life.

3. Improved Ring Sealing: The piston's skirt design and ring grooves are engineered to improve ring sealing, reducing blow-by and oil consumption.

4. Customizable: Wiseco offers various piston options for different applications, allowing riders to tailor their engine performance to their specific needs.

1. Cost: The Wiseco 4993P1 piston is more expensive than stock pistons. However, the increased performance and durability might justify the additional cost for some riders.

2. Installation: Installing aftermarket pistons requires specialized skills and tools. It is recommended to have the work done by a professional to ensure proper installation and to avoid potential engine damage.

3. Potential Clearance Issues: Depending on the specific application, clearance issues between the piston and other engine components might arise. It is crucial to ensure proper clearance before installation to avoid damaging the engine.

The Wiseco 4993P1 piston offers several advantages, such as enhanced performance, durability, improved ring sealing, and customizability. However, it comes with some drawbacks, like the higher cost, potential installation challenges, and clearance considerations. Ultimately, the decision to purchase this piston depends on your riding style, budget, and technical expertise. If you are looking for increased power and durability, and are willing to invest in the installation process, the Wiseco 4993P1 piston might be an excellent choice for your Twin Cam Big 10.5 engine.

1. Thoroughly research the specific application and clearance requirements for the Wiseco 4993P1 piston in your engine.

2. Consult with a professional mechanic or engine builder to ensure proper installation and to address any potential clearance issues.

3. Evaluate the benefits and costs of the Wiseco piston against your riding style and budget.

4. Weigh the potential performance gains against the risks and costs of installation.

5. Consider purchasing the piston from a reputable supplier to ensure authenticity and quality.

Details:

RIDE TYPE 1Motorcycle - V-Twin Cruiser. 100% satisfaction guaranteed. Wiseco High-Performance piston kits are priced with piston, rings, pins and cir clips unless noted otherwise. Combined shipping available.

Forged from high-silicon aluminum alloy for maximum product strength and dependability. It should not be installed on a vehicle that is driven public roads and highways. Innovative forging design and piston skirt provide maximum horsepower torque. Oversize pistons require cylinder sleeking.

part #: 4993p1 prices

• $179.11-$357.74

specifications pistondon:

• for models: Twin
• for years: 1988
• brand: Wiseco
• mpn: 4993p1
• part type: Piston Cam
• carb: May Not Be Able To Ship To Ca Or Other States
• product type: Piston
• product type 2: Piston Kits Components
• alt mpn 1: 101879
• alt mpn 2: Wis4993p1
• category 1: Top End Kits / Pistons / Rings
• ride type 1: Motorcycle V-twin Cruiser
• average delivery time: 2-3 Days
• package weight: 0.5000
• package length: 16.00
• package width: 12.00
• package height: 8.00
• manufacturer warranty: 90 Days

returns pistondon:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

seller pistondon:

• rating: 99.0%
• city: Hilliard, Ohio
• # reviews: 474905

offer pistondon:

• quantity: 1
• started: August 29, 2025
• options: Ship-to-home
• availability: In Stock
• sold: 0

shipping pistondon:

• transit: 5-8 Days
• type: Calculated
• carrier: USPS, FedEx
• cost: $0.00
• class: Standard, Expedited, One-day
• service: USPS Ground Advantage, FedEx 2Day, FedEx Standard Overnight

general pistondon:

• Motorcycle Scooter Parts Accessories > Engines Engine Parts > Pistons, Rings Piston Kits
• condition: New

payments pistondon:

• wallet: Apple-pay
• other
• credit card: Diners-club

Wiseco 4993P1 Is Similar To:

• Wiseco 5139k Used Forged Pistons Harley Tc 3.875 Inch Bore 96 To 103 (48.5% similar) These will increase a 96 Harley twin cam to 103. Talk to your machinist before purchasing. They are flat top pistons and will increase compression to 9.6:1 with stock heads. Two used forged Wiseco pistons. The skirts have wear, as seen in the images, but should work fine if your...(May 15th, 2024)
• Honda 12100-ml3-870 1988 Cr500 Cr 500 Cylinder Jug Wiseco Piston Top End Gaskets (25.4% similar) New Wiseco piston kit complete with rings, wrist pin and cir-clips. New top end gaskets kit. 1988 Honda CR500 cylinder jug Wiseco piston top end gaskets, kit includes-, factory oem cylinder bored to new piston. Ready to install kit...(May 19th, 2024)
• Wiseco 2165cd 1985 85 Honda Cr125r Cr 125r 125 Piston Rings 55mm (41.3% similar) For sale is the piston rings 55MM that was removed from a 1985 Honda CR125R. The condition of this item is displayed in the pictures above. I do my best to describe the condition of parts in and pictures...(May 21st, 2024)
• Wiseco 4393p2 Piston And Rings Honda Atc Trx 350 85-89 43934p2 4393m0 (41.2% similar) The set includes Wiseco renowned 4393P2 model piston and rings, ensuring that your engine runs smoothly efficiently. Otherwise the piston and rings are almost like new. This Wiseco piston and ring set is an excellent choice for Honda ACT TRX 350 model's manufactured between 1985 1989 ...(May 24th, 2024)
• Wiseco 645m04750 Like New Pro-lite Piston Stock 47.5mm Bore For Suzuki Rm80 1991-2001 (44.9% similar) 2 wrist pin cir clips. This Wiseco kit contains the needed components to replace one piston. Wiseco individual piston kit. Includes: 1 Wiseco piston. Wiseco participates in nearly every form of racing including supergrass, motocross, GCC, orcs, moto GP, super bike, NRA pro stock...(May 30th, 2024)
• Wiseco 40144m07800 Piston Kit Standard 78 Mm 40144m07800 (43.7% similar) Wiseco piston kit standard 78MM 40144M078 gas / Husqvarna KTM see below for compatible machines, kit is in good condition. Pictures show most significant blemishes but not every blemish. See pictures for details fully functional no bends cracks or defects. Piston kit includes piston...(June 1st, 2024)
• Wiseco 40082m09600 Piston Kit Standard Bore 95.95mm 12.5 1 Compression (49.3% similar) Used piston has about 4 hours on it. Good condition with wrist pin and cir clips rings...(June 10th, 2024)
• Wiseco 806m04800 Like New Piston Kit Pro-lite For Husqvarna Kawasaki Suzuki And Yamaha (32.4% similar) Now you can own the same race parts as all top teams. Service intervals may be increased with racers choice pistons over conventional Wiseco pistons, and are for expert racers tuners only. Cylinder sleeves must be purchased separately. When blow-by starts to increase on other pistons and power...(June 12th, 2024)
• Wiseco Pk1237 Motorcycle Piston Kit With Top-end Gasket (48.7% similar) Please review the pictures above carefully. Nothing else comes with this offer. Manufacturer - Wiseco, part number PK1237. Fits 04-05 Kawasaki KX250F, 04-06 Suzuki RMZ250. There is minor grease throughout and some parts have already been assembled. Missing: please see...(June 27th, 2024)
• Wiseco 526m06700 Honda Cr250 Atc250 Trx250 Piston (32.4% similar) Parts are listed for the year and model stated. See pictures. Item: Honda CR250 ATC250 TRX250 piston 526M067 condition: in very good condition...(June 28th, 2024)
• Wiseco 4875m05350 Top End Piston For Kawasaki Klx 110 02-12 53.50mm (41.9% similar) Wiseco top end piston for Kawasaki JLX 110 02-12 53.50MM 4875M05350...(July 2nd, 2024)