685 Black Label Crate Engine
www.mastmotorsports.com
Vehicles & Parts / Vehicle Parts & Accessories

685 Black Label Crate Engine

$24,745.00
{{option.name}}: {{selected_options[option.position]}}
{{value_obj.value}}
Store Logo

Mast Motorsports

View Store

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. Horsepower: 685 hpTorque: 580 tqStreetability: OkIdle Quality: Rough/Choppy 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 2618 Alloy PistonsCam: Mast LS7 427 SSHeads: Mast LS7 305 Black Label HeadsIntake Valves: Hollow StainlessExhaust Valves: Solid StainlessIntake: MSD LS7 IntakeValve Springs: Mast Premium Dual SpringsMast Black Label - Artistic Craftsmanship Holds Hands to an Allegiance of Power *All hp numbers will be within 2% of the advertised number.   This LS7 engine family utilizes a Mast Motorsports engineered camshaft that is custom ground on a Mast Motorsports 3 bolt cam core. The 427 Black Label’s foundation is a fully machined GM LS7 aluminum block with a forged Callies

Show More Show Less