CP Piston Bullet Race Piston for Olds 455 –12CC All 6 Deg 4.165 Bore (8 Pack)

Designed for high-performance Olds 455 race engines, these CP Bullet Race pistons deliver precise combustion volume and consistent geometry for dedicated competition builds. The pistons are specified at -12CC with an “all 6 degree” valve relief configuration, a 4.165" bore sizing and supplied as an eight-piece set to match the 4.250" stroke and 6.735" connecting rod combination commonly used in stroked Olds 455 applications.

Features:

• CP Bullet Race piston family
• -12CC combustion chamber volume
• All 6 Deg valve relief configuration
• 4.165" bore sizing
• Sold as an 8-piece set
• Matched to 4.250" stroke applications
• Intended for 6.735" rod setups

Contents:

• 8 CP Piston Bullet Race pistons -12CC All 6 Deg 4.165 Bore