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Self-locking on pipes and nuts: no slipping on the workpiece and low handforce required
For 4-stroke engines
OEM 868A bolts and 7068 lock washers
Includes retainer clip
KB Performance, 1340 Evo B.T. forged piston kit. STD - 84-99 1340cc Evo B.T. (NU) 933158 Self-locking on pipes and nuts: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
