650 Black Label Road & Track Long Block
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650 Black Label Road & Track Long Block

$17,495.00
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Engine pricing & lead times vary - please call 1-866-551-4916 for pricing & delivery estimate. Click here to request a custom engine with our free engine quote questionaire. Type: LS7 7.0LDisplacement: 427 Cubic InchesCompression Ratio: 11.4:1Bore x Stroke: 4.125 x 4.000Rev Limit: 7250 RPMCrank: Callies ForgedRods: Callies H-BeamPistons: Mahle MotorsportsCam: Mast Custom 3-Bolt Core CamHeads: Mast LS7 Black Label 285cc HeadsValve Springs: Mast Premium Dual Springs *All hp numbers will be within 2% of the advertised number.   Summary:The 650 Black Label Road & Track Long Block’s heart and soul is the new GM Performance LS7 aluminum block. This LS7 engine family utilizes a Mast Motorsports-engineered camshaft that is custom ground on a Mast Motorsports 3 bolt cam core. The 650 Black Label Road & Track Long Block’s foundation is a fully machined aluminum block with a forged Callies rotating assembly with Mahle pistons that is topped off with Mast Motorsports Black Label LS

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