CP Piston Bullet Race Series Bcrse1021-045 Chevy 355Ci All 23 4.045 - Set Of 8

CP-Carrillo Bullet Race Series forged flat-top pistons are engineered for naturally aspirated Chevrolet Small Block (SBC) 2-barrel and 4-barrel race engines. Constructed from high-strength 2618 forgings, these pistons are designed for durability and performance in circle track applications. They feature pressure relief strut holes, plunged pin bosses, and a high-swirl top. The set includes eight pistons with a 4.045" bore, 3.480" stroke, 5.700" rod length, and 1.560" compression height. Each piston features a -4.95cc flat top design and is supplied with a 1.0mm steel top ring, 1.0mm Napier second ring, and 2.0mm oil ring, along with .927" x 2.250" pins with a .150" wall thickness. When used with 64cc cylinder heads, these pistons achieve a 10.3:1 compression ratio.