Tekno RC TKR1729 Inner Head Button N Scenery F0/R3mm offset

F0/R3mm offset

Internal springs with one rates included: Black (Stiff)

Lightweight performance design

Associated 42112 Enduro Urbine Wheels 1

Tekno RC TKR1729 Inner Head Button N Scenery F0/R3mm offsetTekno RC TKR1729 Inner Head (21aM aP bM) Product Description: The TKR1729 is the inner head, or head button, for Tekno RC's Blok . 21 competition nitro engines. It sits between the piston and the outer cooling head and shapes the combustion chamber; replacing a worn or damaged head button restores compression and combustion geometry. Compatible with the 21aM, 21aP, and 21bM engines. Features: Forms the combustion chamber above the piston Restores