GM LS Series Race Block

• 9.24″ Deck
• 4.125″ Bore
• Please allow 7 working days for delivery

• RHS 54903 Details

  GM LS Series Race Blocks

• Built For Added Clearance And Mass Customization
• Designed From Heavy Duty A357-T6 Aluminum
• Raised Cam Centerline Allows Larger Stroke
• 2 Extra Links In The Timing Chain
• Dry Sump Friendly; Big Front And Rear AN-12 Feeds
• Siamese Cast Bore Walls
• Press In Spun Cast Iron Liner