FOR A LIMITED TIME ONLY!! $1500 OFF RETAIL PRICING!!!!! A 540 CI. Monster that will get your boat MOVING! ATK Performance chose a Dart 9.8 in. Big M Block and Pro Series 1 Yellow Chromite Marine Heads to complete this awesome package. This package comes with Marine Grade Fuel and Ignition components, special marine clearances for durability and will be dyno tested and tuned! Other Camshaft Profiles Availible! Call for more info or custom builds!

If you are a licensed installer call for special pricing

Stage:3
HP: 600+
TORQUE: 640+
Engine Type: Dart Big "M" Block V8
Displacement (cu.in): 540
Block: 9.8 Inch Deck Height
Bore / Stoke: 4.500 X 4.250
Crankshaft: 4340 Forged Steel
Rods: H Beam Rods
Pistons: Forged
Rings: Moly

Camshaft Type: Roller Cam
Camshaft Lift: .566 IN X .575 EX
Camshaft Duration @.50: 242 IN X 254 EX
Cylinder Head Type: Dart Pro Series 1 W/ Yellow Chromite Coating
Chamber Size: 121 cc
Valve Size: 2.30 IN X 1.88 EX
Intake Runner Volume: 345 cc
Compression Ratio: 10.0:1
Rocker Arm Type: Full Roller
Rocker Arm Ratio: 1.7:1
Sheet Metal: Premium ATK V/C- Chrome T/C- Marine Grade O/P
Recommended Fuel: 92 Octane
Ignition Timing: 36 Degrees Total Advance
Max RPM: 5800
Warranty: 1 Year
Dyno Proven: YES