19434599 DR525 LS Series Race Engine, Replaces 19432629, 19421061, 19370417, 19329008

 LS Series Race Engine 525 hp @ 6,300 rpm ? 489 lb.-ft. @ 4,400 rpm
Equipped with Gen4 F car oil pan

LS-Power for the Drag Strip!

• High Performance Aluminum Block with6-Bolt, Cross-Bolted Mains
• Nodular Iron Crankshaft
• High-Flowing Rectangular-Port Aluminum LS Heads
• Long-Life Beehive-Style Valve Springs
• Lightweight 2.165" Hollow Intake and 1.590 Exhaust Valves
• ASA Hydraulic Roller Cam with .525"/.525" Lift
• Lightweight Composite EFI Intake Manifold
• 90mm ETC throttle body
• 2 Tamper Proof Bolts on the Intake Manifold
• 1 Tamper Proof Bolt on the Engine Front Cover
• 1 Tamper Proof Bolt on the oil pan
• Note: Requires P/N 19329003 E67 Chevrolet PerformanceEngine control system w/custom calibration (tamperproof Engine Control Unit)
• Note: Front Accessory Drive (optional) P/N 19329418contains Alternator, Installation Hardware and DriveBelt. (Not Included w/engine assembly)