131" | 124" | 117" Monster Big Bore Kits / Twin Cam
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- Fits 99-17 Twin Cam Motors
- 131” KITS FOR 99-17 TWIN CAM S&S 4 1/4” BORE; 4 5/8” STROKE W/
7.669” RODS; 11.2:1cr (WITH 86cc HEADS); 10.6:1cr (WITH 95cc HEADS) - 124” KITS FOR 99-17 TWIN CAM 4 1/4” BORE; 4 3/8” STROKE; 11.2:1cr (WITH 86cc HEADS); 10.4:1cr (WITH 95cc HEADS)
- 117” KITS FOR 99-17 TWIN CAM 4 1/8” BORE; 4 3/8” STROKE; 10.5:1cr (WITH 86cc HEADS); 9.8:1cr DISHED PISTONS (WITH 95cc HEADS)
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Aerospace-grade all-aluminum cylinder with nickel-silicon-carbide (NSC) electroplated bore
- No sleeving allows for larger bore sizes
- NSC-plated cylinders have less friction for increased horsepower, lower engine temperatures and a longer lifespan
- Monster big bore kits will require case boring
- Includes pair of all-aluminum NSC-coated bore cylinders, custom-forged pistons with high-tension rings specifically designed for NSC cylinders and a head/base gasket set
- Replacement gasket sets available separately
- Upgraded cylinders studs and head bolts recommended
- Made in the USA
131" | 124" | 117" Monster Big Bore Kits / Twin Cam
Sale price$1,567.95 USD
Regular price
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131" | 124" | 117" Monster Big Bore Kits / Twin Cam
Sale price$1,567.95 USD
Regular price
