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S&S Cycle 98" Big Bore Kit For Harley Big Twin
You know the saying - "There's no replacement for displacement!"
- Kit yields excellent results with stock cylinder heads
- Features the largest bore (3.927") that can safely be used in a cylinder with stock spigot diameter
- Even though stock cylinders can be bored to fit the 3.927" pistons, the included S&S cylinders feature a much stronger liner to stand up to the added power
- Easy installation: no need to bore or split existing cases, just swap the cylinders
- Specifications: 3.937" bore, 4" stroke, 98" displacement, 9.8:1 compression ratio with stock heads
- Kits include cylinders, pistons, rings and gaskets (head, base and exhaust)
- Black or silver powder-coat finish with polished fins
- Increased fin area for better heat dissipation
- Valve pocket recessed in S&S pistons are enlarged for oversize valves and higher lift cams
- Maintains stock engine height and stock piston weight
- Made in the USA
|Product Style||RevZilla Item #||MFR. Product #||Availability|
|Product Style Black||RevZilla Item #1073410||MFR. Product #910-0481||AvailabilityAvailable: Requires 1-3 business days of lead time prior to shipment|
|Product Style Silver||RevZilla Item #1073411||MFR. Product #910-0482||AvailabilityIn Stock: Ships next business day|
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Reviews & Questions
0 Customer Reviews
5 Questions & 1 Answers
Browse 5 questions Browse 5 questions and 1 answer
What is the Horsepower gain with this kit?
BEST ANSWER: That all depends on the " whole " setup, such as cams, head work etc
What is the gain in horsepower?
Is it a 98 piston kit 3.937in?
If you just install this kit with no other modifications whats the gain in torque and hp?
whats the most lift cam can you run with this kit?