Own a Crate Engine that’s gettin a little tired, or maybe one you already own that’s a little less than you hoped it would be? Only option you think you have is buying a new engine? Well we work hard for a living too, and not everyone has the money to start from scratch.

Here honestly is one of our hottest movers. Take the money you would spend on another crate engine and put it towards one that WAY outperforms the last one, with more reliability for less! Let us do the tricks on the old girl, and Turn it into a REAL AIRBOAT ENGINE!

Fuel Requirement; 87-89 (R+M/2) Octane Compatible 91-93 Recommended

Recommended RPM at WOT; 4800-5200

Warranty; Engine Labor and FHS Installed Parts due to Workmanship up to 6 Months. 6 Months to One Year; Labor Only*

Components

* FHS Stroker Rotating Assembly
o All Internally Balanced Reciprocating Assembly
o 4340 Forged and Nitrided Crank
o 4340 H Beam Forged Full-Floating Connecting Rods
o Forged Severe Duty Pistons w/Heavy Skirts
o Severe Duty Wrist Pins
o Plasma-Moly Rings
o Michigan “H” Series Race Bearings
o Brass Freeze Plugs
* Steel Billet Harmonic Balancer w/Indexed Timing pointer and ARP Bolt
* JW “Wheel” HD Flexplate for use w/Softdrives
* FHS Custom Hydraulic Roller Cam w/Hardened Distributor Gear for Endurance
* Cloyes Timing Set
* Melling High Volume Oil Pump w/Billet Drive and ARP Stud
* COMP .083 Wall Pushrods
* Scorpion Billet Roller Rockers
* Fel-Pro Race Gaskets Throughout
* Cylinder Head Upgrades
o Ferrea Super Alloy/Manley Inconel Valves
o PSI Valvesprings designed for NASCAR use
o COMP Chrome-Moly Retainers
o Billet/Hardened Valve Locks
o Premium Valve Seals

* Stainless Steel Hardware on all external fasteners and accessories

Labor Included

* Full “Race” Prep and Assembly;
o All Parts Inspected for Wear and Cracks
o Block HotTanked and Magnafluxed
o New Cam Bearings Installed
o Block Bored and Honed w/Torque Plates
o Block Squared and Decked to set optimum Quench
o All Threaded Holes Chased and Heli-Coiled if Necessary
o Block Clearanced for Stroker Crank
o Pistons Tops Radiused and Surface-Prepped for Heat Resistance
o Reciprocating Assembly balanced within 1g
o Rotating/Crankshaft Balanced w/50% rec factor
o Stage II Head Porting for Maximized Volumetric Efficiency
o Competition Valvejob for Airboat Use/Heat Dissipation
o Oil System “Ported” for increased flow and oil quality
o All clearances CHECKED and set for endurance application
+ Piston to Bore
+ Piston Rock
+ Piston to Head
+ All Bearing Clearances
+ Crankshaft Endplay and Runout
+ Camshaft Endplay
+ Valve to Piston
+ Valvestem to Valveguide
+ Retainer to Valveguide
+ Coil Bind
+ Rocker to Pushrod and Spring Retainers
+ Rocker to Valvecover
+ Distributor Gear to Camshaft
o Camshaft Degreed/Phased for maximum performance
o Harmonic Balancer Degreed/Phased for accurate Timing
o Valvetrain Geometry Checked and Pushrod Length optimized

o Build/Spec Sheet Provided w/Final Assembly Weight

Package Pricing Suggested Retail Price** **Feel free to contact us for quote based on your particular needs.
Dealer Pricing Available

ENGINE	Base Engine	Turnkey
489CID/575HP	$6599
540CID/610HP	$6999

*FHS Reserves the right to insist upon disclosure from the customer of application and abuse before sale. We reserve the right to refuse warranty on engines before sale due to our judgment. Warranty void if engine shows any sign of abuse, is tampered with, in any way, shape or form involving modification to tune-up parameters/Attempts at increasing HP beyond initial intent, operated out of suggested RPM range, excessive water temperature, loss of fuel pressure, lack of oil, poor maintenance, neighboring components inducing failure such as incorrectly installed redrive, out of balance propeller etc, and/or improper installation of any components accompanying the engine. Meaning? If WE screw up, we take care of it..If YOU screw up? We don’t