10185071 - Hydraulic Roller Camshaft -GM ZZ4 Crate Engine

10185071
Chevrolet Performance Parts
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    This product may require vehicle validation(s) for proper fitment. Please contact us to confirm correct vehicle fitment and usage.

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    Description

    This hydraulic roller tappet is used on the 350 ZZ3 & ZZ4 engines.

    The duration at lash point in degrees (intake/exhaust) is 275/280

    Duration at .050" tappet lift (intake/exhaust) is 208/221

    Maximum lift with 1.5:1 rocker ratio (intake/exhaust) is 474/510.

    Valve lash is zero/zero and lobe centerline is 112 degrees.

    Lifters not included.

    Use with Timing chain kit- 12371043

    Pushrod Kit- 12371041

    Lifter Kit- 12371042

    Valve Spring Kit- 12495494

    Retainer Kit-12495492