The Supertech pistons for a Honda B20 block with a B16 head are sold as a set of four machined to an 86mm bore with an +8cc dome producing a 13.5:1 compression ratio. Supplied without rings, these pistons deliver the larger dome volume and bore sizing needed to achieve the stated compression and combustion chamber geometry when rebuilding or modifying the B20/B16 application.
Supertech Honda B20 Block B16 Head 86mm Bore +8cc Dome 13.5:1 CR Pistons - Set of 4 (Excl Rings)