Looking for an engine that will take you over the 1000hp mark without praying to the Horsepower gods that it stays together before every pass? Well look no further, our BoostPrep line of engines is exactly what you're looking for.

 

408 Stroker 6.0L BoostPrep

 

Bore: 4.030"

Stroke: 4.000"

Connecting Rod Length: 6.125"

Displacement: 6.6L / 402c.i.

Piston Volume: -15cc dish with valve reliefs

Compression Ratio: 

9.8:1 with 68cc(LS3 Heads with -15cc dish pistons)

 

Horsepower Rating: Up to 1100whp

 

Engine Block: New OEM Gen 4 6L Iron Block

Crankshaft: New Callies Stroker Crankshaft

Pistons: Diamond Racing Forged Pistons

Connecting Rods: Callies Compstar H-Beam Connecting rods w/ ARP rod bolts

Main Fasteners: ARP Main Studs

Main Bearings: King XP-Series Race Bearings

Rod Bearings: King XP-Series Race Bearings

Cam Bearings: Durabond one piece bearings

 

Cylinder Heads: New Square Port LS3 Heads

Valves: 2.165" intake / 1.590" exhaust

Valve Springs: .660" Lift Dual Valve Springs w/ steel retainers

Camshaft: Application Specific Spec'd Camshaft

Timing Chain: GM HD Timing Chain

Lifters: OE Replacement LS7 Lifters

Push Rods: 5/16 Diameter Chromoly Pushrods

Rocker Arms: New LS3 Rocker Arms w/ trunnion upgrade

Head Fasteners: GM Head Bolts or Optional ARP Head Studs

Head Gaskets: GM MLS Head Gaskets

Oil Pump: Melling High Pressure Oil Pump

BoostPrep 408 Stroker Longblock

$11,375.00Price

    CONTACT

    *We are currently primarily focusing on:
    - LS & Gen.V(2014+) LT GM Platforms

    - 5.0L Coyote & 5.2L Voodoo Ford Platforms
    - Hellcat, Demon, Trackhawk Platforms

    *
    NO General / Non-Performance REPAIRS*

    Monday - Friday | 8am - 5pm (EST)

    (269)350-9055

    Sales@StrictlyPerformance.Parts

    383 South Pitcher Street,

    Kalamazoo, MI 49007

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    383 South Pitcher Street, Kalamazoo, MI 49007
    (269)350-9055

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