Street/Strip Series 427 Long Block

Our Street-Strip Series 427 long block has all the ingredients to pack the punch your looking for.  Our 427 LS combo is a proven performer and is a solid foundation for your ride.

Plan to clear 800HP 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

Build Specs:

• Seasoned GM 5.3L Block Sleeved for 4.125" Pistons and 4" Stroke
• Forged 4” Stroke Crank
• Forged 6.125” H-Beam Rods with ARP bolts
• Forged 2618 Pistons (Flat Top unless you request something different)
• LS7 Lifters and Trays
• BTR Cam of your choice
• Billet Timing Gear and Double Roller Chain
• LS2 Style Timing Chain Dampener
• 3/8" Pushrods
• GM Rockers built with bronze bushing-style trunnion kits
• New 12pt Rocker Arm Bolts
• Selection of Frankenstein Engine Dynamics LS3 or LS7 Heads
  
• Clevite Main & Rod Bearings
• Durabond Cam Bearings
• New block plug kit and barbell
• High Volume Oil Pump
• ARP Main Studs
• ARP Head Studs
• Fel Pro Gaskets Throughout
• ICT Billet Valley Cover
• Multi Layer LS7 Head Gaskets
• BTR Valve Covers (Plain Finish, with Coil Mounts) Unless Otherwise Requested
• GM Muscle Car Pan
• GM stock front cover 
• GM stock rear seal housing