KB Performance, 1340 Evo B.T. forged piston kit. +.040"

KB Performance, 1340 Evo B.T. forged piston kit. +.040"

Artikelnummer: 944779
Kategorie: Zylinder - Kolben - Kolbenkits
Hersteller: KB Performance Piston

84-99 1340cc Evo Big Twin (NU) | Artikelzustand: NEU

345,95 €

inkl. 19% USt. ,

Auswahl Steuerzone / Lieferland

Bald wieder verfügbar

Beschreibung
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Forged piston set. 9.5:1 CR with 80cc head. Piston weight 365gr. Piston pin weight 97gr. Piston pin dia. .792" / offset. Head type: Dome with -8.5cc. Compression height 1.375". Bore 3.4980". Stroke 4.250". Rod length 7.440". Cyl. length 5.550". All KB forged pistons are made from 4032 alloy; a 11% silicon alloy that is formed in a forging press. Forging aluminum gives a superior strength and structural integrity on a molecular level; after which it is fully machined. The combination of this alloy and the forging process allows the piston to flex under detonation; or pre-ignition; giving the best resistance to cracking. Although 4032 has a low expansion rate; it is higher than the cast Hypereutectic. Therefore forged KB pistons will require about .001" wider piston to wall clearance. Pistons are sold as sets; complete with wrist pin retaining rings; wrist pins and piston rings. Note: All KB forged pistons come equipped with offset wrist pins / piston pins. There is a front a

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