Chevrolet Performance DR525 Crate Engine – 19434600

Unleash serious naturally aspirated power with the Chevrolet Performance DR525 Crate Engine. This high-performance 350ci engine delivers approximately 525 horsepower and 470 lb-ft of torque through advanced engineering and premium components. The DR525 features CNC-ported aluminum cylinder heads, aggressive camshaft profile, and optimized intake system for maximum airflow. The forged rotating assembly ensures durability under high-RPM operation. Factory-assembled by Chevrolet Performance technicians and dyno-tested for quality assurance, this crate engine represents the pinnacle of naturally aspirated small-block performance.

**Technical Specifications:**

DR525 Technical Specifications
Part Number: 19434600
Engine Type: V-8 LS-Series Gen-IV Small-Block
Displacement (cc): 376 (6.2L)
Bore x Stroke (mm): 4.065 x 3.622 (103.25 x 92mm)
Block (P/N 12623967): Cast aluminum with 6-bolt, cross-bolted main caps
Crankshaft (P/N 12685659): Nodular iron
Connecting Rods (P/N 12649190): Powder metal
Pistons (P/N 19207287): Hypereutectic aluminum
Camshaft Type (P/N 88958770): Hydraulic roller
Valve Lift (mm): .525 intake / .525 exhaust
Camshaft Duration (@0.050 in.): 226° intake / 236° exhaust
Water Pump (P/N 12725009): LS3
Cylinder Heads (P/N 12675871): Aluminum L92 style port; “as cast” with 68 cc chambers
Valve Size (mm): 2.165 intake / 1.590 exhaust
Compression Ratio: 10.7:1
Rocker Arms (P/N 12696105 intake): Die-cast, roller tip
Rocker Arms (P/N 12681275 exhaust): Die-cast, roller tip
Rocker Arm Ratio: 1.7:1
Recommended Fuel: Premium pump
Recommended Maximum RPM: 7000 (with appropriate Chevrolet Performance engine control kit)
Reluctor Wheel: 58X
Balanced: Internally balanced