needs ported heads. Good midrange with incredible power up to 7000+ RPM. Solid power gains above 4900 RPM. Spring/phaser upgrade and custom tuning required....
COMP CamsEngineEngine Valve Spring Retainer SetValve Train Components
these retainers feature better material consistency and bullet proof durability. These 7 degree retainers fit engines with our 7245 Dual Conical Valve Springs.