1974 1975 1976 1977 NOS Bultaco 250 piston rings Pursang

NOS MAHLE MONTESA COTA TRIALS 348 349 83.555 PISTON KIT MX BULTACO 250 247 350

NOS Bultaco Mahle 125cc piston in the box

BULTACO Lobito MAHLE PISTON NOS w/rings, pins, clips 3961 54.70mm 156.10.035.1/2

Wiseco 415 P2 Piston Kit 250 Bultaco 70.mm +.020

Bultaco Cylinder

NOS Wiseco Incomplete Piston Set w/ Circlips Rings Fits: Bultaco 250 Astro 415PS

124/ BULTACO MATADOR MK3 250 MODEL 26 CYLINDER 72MM MODIFIED