The Boostline Performance BL408JSB Street-Strip Series 408 Short block has all the ingredients to pack the punch your looking for. The popular, 408 LS combo is a proven performer and is a solid foundation for your ride

Plan to clear 600HP NA with the right cam and intake selection! This package is still dependable at the 1000HP mark if you want to put a little extra squeeze on it with your choice of power adder.

Boostline Performance BL408JSB Specs:

• GM Iron 6.0L Block
• Boostline Center Counterweighted Forged 4 in. Stroke Crank
• ARP Main Studs
• Forged H-Beam Rods with ARP bolts
• Forged 2618 Flat Top Pistons
• ACl Main & Rod Bearings
• Durabond Cam Bearings
• New block plug kit and barbell

Boostline Performance BL408JSB Features:

• Professionally assembled engine built by Boostline Performance
• Precision-machined block and performance rotating assembly
• Designed for street and street-strip performance applications

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART