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Purchasing Information:
After you place your order on this site, we will contact you to confirm your order details prior to payment being made. All orders will be processed and fulfilled by one of our authorised dealers. Rollies Speed Shop Distribution is a wholesale business and does not sell directly to the general public. For more info see the Purchasing Information page.
* These forged 3-7/8in. bore stroker pistons for 1999-2006 Twin Cam are required for the S&S 106in. stock bore stroker kit with 4-1/2in. stroke flywheels.
* Flat Top Pistons. 3.875in. Bore & 4-1/2in. Stroke
* 10.1:1 Compression Ratio with Stock 85cc Heads.
* 9.8:1 Compression Ratio with S&S 89cc Heads # SS106-3240.
* They are compatible with stock or S&S Super Stock cylinder heads.
* Stock 88in. cylinders may be bored to fit these pistons or purchase # DAY-88461
Tech Tips:-
* Follow Ring End Gap & Piston to Cylinder Clearances as per the supplied Manufacturers Instructions.
* Pull the engine down first & measure the existing bore to determine if oversize pistons are required PRIOR to purchase, we do not take back piston kits. The onus is on the assembling technician to validate the cylinders & required pistons.
MFR PART No: 92-1210
ROLLIES PART No: SS92-1210
Give us a call us on
(07) 3252 5381 and one of our
parts specialist’s will help
you get the parts you need.Â
