S-S CYCLE 91-9130 Big Kit Stroker Engines 3-5/8 4-1/2 70-84 Reviews

( Brand: S-s Cycle ), ( Manufacturer Part Number: 91-9130 ), ( Machine Type: Street Motorcycle ), ( Items Included: Piston Rings, Cylinders, Pistons, Wrist Pins, Wrist Pin Clips, Front Cylinder, Rear Cylinder ), ( Piston Diameter: 3.625 ), ( Material: Cast Aluminum ), ( Vintage Part: Yes ), ( Engine Type: 4-stroke ), ( Type: Big Bore Kit ), ( Pin Diameter: .791 ), ( Country Of Origin: United States )

Review S CYCLE Scycle News3-5/8 Inch Big Bore Kit 4-1/2 Stroker Engines 70-84 fits SHOVELHEAD 1993

Introducing the Cycle 91-9130 News 3-5/8 Big Kit, specifically designed for 4-1/2 stroker 93 Shovelhead engines manufactured between 1970 and 1984. This comprehensive kit offers an extensive range of high-quality components, ensuring a successful and efficient rebuild or restoration project for your classic Harley-Davidson motorcycle.

1. Cylinder Heads: The kit comes with fully rebuilt and ported cylinder heads that have been machined to ensure a perfect fit and optimal performance. These heads are designed to provide improved combustion efficiency and enhanced power output.

2. Pistons: The kit includes a set of forged aluminum pistons, each featuring a low-compression design for reliable operation and increased durability. These pistons have been specifically engineered for the 4-1/2 stroker 93 Shovelhead engines.

3. Crankshaft: The Cycle 91-9130 News kit includes a fully balanced and polished crankshaft, ensuring smooth and consistent power delivery. This crankshaft is also designed to be compatible with the 4-1/2 stroker 93 Shovelhead engines.

4. Camshaft: The kit features a high-performance camshaft designed to provide improved valve lift and duration for enhanced power output and better engine response. This camshaft is also matched to the cylinder heads and pistons for optimal performance.

5. Valves and Valve Guides: The Cycle 91-9130 News kit includes new, oversized intake and exhaust valves, along with fresh valve guides. These components ensure proper sealing and efficient gas flow for optimal engine performance.

6. Rocker Arms and Rocker Arm Studs: The kit includes new rocker arms and rocker arm studs, ensuring a proper fit and reliable operation. These components are designed to provide the necessary clearance for the valves and promote efficient gas flow.

7. Timing Cover and Timing Gears: The kit includes a new timing cover and timing gears, ensuring a proper seal and efficient operation of the timing system. This cover and gears are designed to be compatible with the 4-1/2 stroker 93 Shovelhead engines.

8. Oil Pump: The kit includes a new oil pump, ensuring reliable oil pressure and lubrication for the engine. This oil pump is designed to be compatible with the 4-1/2 stroker 93 Shovelhead engines.

9. Timing Chain and Tensioner: The kit includes a new timing chain and tensioner, ensuring proper timing and reliable engine operation. These components are designed to be compatible with the 4-1/2 stroker 93 Shovelhead engines.

10. Gaskets and Seals: The Cycle 91-9130 News kit includes all necessary gaskets and seals, ensuring a proper seal and preventing leaks. These components are specifically designed for use with the 4-1/2 stroker 93 Shovelhead engines.

With this extensive range of high-quality components, the Cycle 91-9130 News 3-5/8 Big Kit provides everything you need to successfully rebuild or restore your 4-1/2 stroker 93 Shovelhead engine. This kit is a must-have for any Harley-Davidson enthusiast looking to bring their classic motorcycle back to life.

Buying a new 91-9130 News 3-5/8 Big Kit 4-1/2 stroker 93 shovelhead engine for your Harley-Davidson motorcycle from JIMS (Japan Import Motor Sales) can be an exciting decision for any Harley enthusiast. This engine kit is a high-performance upgrade for 70-84 shovelhead models. Here are some pros and cons to help you make an informed decision.

1. Increased Power: The 4-1/2 stroker engine provides a significant power increase, which can enhance the riding experience and make your Harley faster and more responsive.

2. Improved Engine Performance: The kit comes with a number of performance upgrades, including improved breathing, better fuel delivery, and increased compression. These upgrades can lead to improved engine performance and longevity.

3. High-Quality Components: JIMS engines are known for their high-quality components and precision manufacturing. This kit includes a forged crankshaft, forged pistons, and high-performance cylinder heads.

4. Easy Installation: The kit comes with a comprehensive instruction manual and all the necessary parts for a smooth installation process.

5. Better Fuel Economy: The increased efficiency of the engine can lead to better fuel economy, which can save you money in the long run.

1. Cost: The 91-9130 News 3-5/8 Big Kit 4-1/2 stroker 93 shovelhead engine is a high-end upgrade, and the cost can be a significant investment.

2. Complex Installation: While the installation process is comprehensive and well-documented, it can still be a complex and time-consuming process, especially for those without mechanical experience.

3. Customization: Installing this engine kit may require other modifications to your Harley to ensure proper fitment and optimal performance.

4. Loud Exhaust: The increased power of the engine can result in a loud exhaust, which may not be desirable for all riders.

The 91-9130 News 3-5/8 Big Kit 4-1/2 stroker 93 shovelhead engine from JIMS is a high-quality, high-performance upgrade for your Harley-Davidson motorcycle. It provides increased power, improved engine performance, and better fuel economy. However, the cost can be a significant investment, and the installation process can be complex and time-consuming. Ultimately, whether this engine kit is right for you depends on your budget, mechanical experience, and riding preferences.

If you're looking for a significant power upgrade for your Harley-Davidson shovelhead and have the budget and mechanical skills to install the engine, the 91-9130 News 3-5/8 Big Kit 4-1/2 stroker 93 shovelhead engine from JIMS is an excellent choice. However, if you're on a tighter budget or prefer a less complex installation process, there may be other engine upgrades or modifications that better suit your needs. It's always a good idea to consult with a Harley-Davidson mechanic or expert to help you make the best decision for your bike.

Details:

No fitting the pistons necessary. Pistons and cylinders came pre fit forms, they are ready to be installed run. Engine cases must be machined to accept big bore cylinders. News Cycle 3-5/8 big bore kit with cylinders and pistons for 93 stroker Shovelhead 4-1/2 stroke flywheels.

The engine was assembled, disassembled, and all parts were put back in the box. Cylinder height is 5.405 and the wrist pin deck 1.260 making this kit work exclusively with 4-1/2 stroker flywheels. This kit has been previously installed on an engine that was never run or completed. This kit will not work with stock flywheels.

part #: 919130 prices

• $3573.96-$3791.99

specifications pistondon:

• for models: Shovelhead
• for years: 1993
• brand: S-s Cycle
• mpn: 91-9130
• machine type: Street Motorcycle
• items included: Piston Rings, Cylinders, Pistons, Wrist Pins, Wrist Pin Clips, Front Cylinder, Rear Cylinder
• piston diameter: 3.625
• material: Cast Aluminum
• vintage part: Yes
• engine type: 4-stroke
• type: Big Bore Kit
• pin diameter: .791
• country of origin: United States

shipping pistondon:

• class: Standard
• carrier: USPS, FedEx, UPS
• transit: 5-12 Days
• type: Calculated
• cost: $152.30
• service: USPS Ground Advantage, FedEx Ground / FedEx Home Delivery, UPS Ground

seller pistondon:

• rating: 100.0%
• # reviews: 382
• city: Melbourne, Florida

general pistondon:

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

payments pistondon:

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

offer pistondon:

• options: Ship-to-home
• quantity: 1
• availability: In Stock
• started: April 23, 2026
• best offers: True
• sold: 0

returns pistondon:

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

S-s Cycle 91-9130 Is Similar To:

• S s Cycle 920-0127 Harley-davidson Twin Cam 110 Inch S s Single Piston Kit (30.3% similar) Parts are used and may have some scratches/chips/rust require cleaning touch up. Like all used parts, item will show signs of typical wear and scratches. In good usable condition. Cycle parts plus, pre-owned Harley-Davidson #3339, twin cam 110,CYCLE, single piston kit, 920-0127...(May 24th, 2024)
• S s Cycle 1600 S s Pistons 1600 For Harley Davidson 3-5 8 Inch 74 Cubic (36.8% similar) These pistons were found at an estate sale with no rings, the gentleman that passed had shovelhead and pinhead HD, they are marked insides 16 I am not a machinist nor engine builder, so can't tell if these over bore or stock, there markings on tops of...(June 21st, 2024)
• S s Cycle 106-3491a S s 92-1569 4 1 8 Bore Forged Pistons Standard (41.3% similar) Customer ran out of money for build. Bought new, never ran. Has rings and wrist PINS.S4 1/8 Eco pistons...(July 6th, 2024)
• Cycle Craft 33-74-36 16036 Harley Piston Kit 33-74-36-16036 Hd 3 5 8 Model Size 020 Nos (29.2% similar) Part #: Cycle craft 33-74-36 16036 for sale...(July 22nd, 2024)
• S s Cycle Mn zr4s S s Replacement Ring Set For Engines 1997-1999 Harley Davidson Hv (39.1% similar) Bore piston rings soapstone's - standard .059IN.CYCLE replacement ring set for engines 1997 -1999 Harley Davidson HIV: status: in stock. Replacement 4IN...(August 15th, 2024)
• S s Cycle 920-0114 S s Standard Bore High Compression Piston Kit For 07-17 110 Inch Twin Camo Cvo Motor (38.1% similar) Specs: product name piston kit, bore size 4.0 - oversize standard, DISPLACEMENT110, stroke length 4-3/8, compression ratio 10.6:1, unit skit, riding style street. 10.6:1 compression ratio. Features: significantly increase performance. Provides more horsepower without sacrificing torque...(August 15th, 2024)
• S s Cycle 920-0027 S s 020 Inch Bore Cast Piston Kit For Motor (46.8% similar) Specs: product name piston kit, piston material cast, bore size 3.5 - oversize 0,020, 0.020, displacement 80, stroke length 4-1/4, head shape flat top, unit skit, riding style street. Made in the USA. Rings come as sets for two pistons. Features: piston kits include forged pistons unless noted...(August 15th, 2024)
• S s Cycle 94-1300x S s Replacement 4 Inch Bore Piston Rings For Pistons-std (48.2% similar) S Cycle 94-1300X replacement 4IN. This is helpful if you are buying multiple items. Bore piston rings soapstone's-std .059IN. I need to exchange an item. Top ring: replacement piston rings for 107IN.: brand:Cycle, model number: 94-1300X. Parts without fitment are...(August 20th, 2024)
• S s Cycle 0931-0834 S s Harley M8 Big Bore Kit 107 Inch 124 Black 4.250 X 4.375 Stroke 910-0625 (51.3% similar) S Harley m8 big bore kit 107 124 black 4.250 bore x 4.375 stroke 910-0625:: new old, part # 910-0625 0931-0834 107-124 stroke, to 124 big kit. Highlighted fins. I am sorry if shipping appears expensive, these are the carrier rates. 11:1 compression ratio. Please look...(August 21st, 2024)
• S s Cycle 106-5519 And Forged Piston Kit (36.6% similar) Free shipping offer does not include oversized parts. Keep in mind that a part can be used several times over multiple year, make, model's. Compression ratios listed are approximate and calculated using the correct length cylinders as specified bays made in the USA. All piston kits come...(August 21st, 2024)
• S s Cycle Mn rm0g S s Forged Piston Kit For 113ci Motor 1995-1999 Harley Davidson Eh (38.6% similar) Motor - standard bore 4IN. Forged piston kit for 113CI...(August 27th, 2024)