Performance Boat Engines

Base 262 c.i. GM Marine – $2,999

Base 262 GM Marine Engine

Block: Seasoned, one piece rear main seal block,
Sonic tested to assure wall thickness, Max bore .040
Rotating Assembly: Premium cast iron crank
Micro-polished crank for superior finish
Hydraulic flat tappet LUNATI camshaft
Keith Black Hypereutetic pistons
Cylinder Heads: Cast iron Vortec
A Ton Of Extras: Cast iron marine intake
.457 intake and exhaust lift, 218 intake and exhaust duration at .050
12 month unlimited hour warranty on pleasure craft and airboat applications
Commercial or charter boat applications carry no warranty
Horsepower: 262 Torque: 300

 

Base 355 c.i. GM Marine – $4,095

Base 355 GM Marine Engine

Block: Seasoned 4 bolt main block
One piece rear main seal
Max bore .040
Align honed main bearing bore
Sonic tested to assure wall thickness
Rotating Assembly: New SCAT premium crankshaft-externally balanced
Chevy heavy beam rods resized and clearance improved
150,000 PSI rod bolts
Keith Black Hypereutectic pistons
Hastings moly rings
New COMP CAMS Hydraulic flat tappet camshaft
Heavy duty double roller timing
Cylinder Heads: GM Vortec cast iron cylinder heads
1.25 dia. valve springs, hardened retainers and keepers
2.02 swirl polished intake valves
1.60 swirl polished exhaust valves
Elgin hardened push rods
Long slot rockers with positive lock adjusting nuts
A Ton Of Extras: New Brezinski cast iron marine intake
9.5 to 1 compression
Blueprint “Signature Series” polished aluminum valve covers
Rubber coated steel oil pan
Brass freeze plugs
All engines are dyno tested on a state of the art DTS dyno and ship with a complete spec sheet
12 month unlimited hour warranty on pleasure craft and airboat applications
Commercial or charter boat applications carry no warranty
Horsepower: 365 Torque: 390

 

Dressed355 c.i. GM Marine – $4,995

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Block: Seasoned 4 bolt main block
One piece rear main seal
Max bore .040
Align honed main bearing bore
Sonic tested to assure wall thickness
Rotating Assembly: New SCAT premium crankshaft-externally balanced
Chevy heavy beam rods resized and clearance improved
150,000 PSI rod bolts
Keith Black Hypereutectic pistons
Hastings moly rings
New COMP CAMS Hydraulic flat tappet camshaft
Heavy duty double roller timing
Cylinder Heads: GM Vortec cast iron cylinder heads
1.25 dia. valve springs, hardened retainers and keepers
2.02 swirl polished intake valves
1.60 swirl polished exhaust valves
Elgin hardened push rods
Long slot rockers with positive lock adjusting nuts
A Ton Of Extras: New Brezinski cast iron marine intake
9.5 to 1 compression
Edelbrock 110 GPH fuel pump
Edelbrock stainless steel fuel line and filter
Cast iron circulating pump
Edelbrock 600 electric choke carburetor
Professional Products harmonic balancer
Blueprint “Signature Series” polished aluminum valve covers
Rubber coated steel oil pan
MSD Pro-billet distributor
MSD Blaster SS coil
AC Delco spark plugs
MSD wire looms
MSD Super Conductor plug wires
Brass freeze plugs
All engines are dyno tested on a state of the art DTS dyno and ship with a complete spec sheet
12 month unlimited hour warranty on pleasure craft and airboat applications
Commercial or charter boat applications carry no warranty
Horsepower: 365 Torque: 390

 

Base 383 c.i. GM Marine – $4,395

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Block: Seasoned 4-bolt main
Max .040 bore
One piece rear main seal
Sonic tested to assure wall thickness
Align honed main bearing bore
Rotating Assembly: New SCAT premium crank
Keith Black Hypereutectic pistons
New COMP CAMS roller camshaft
Cylinder Heads: Cast Iron Vortec
1.25 dia. valve springs, hardened retainers and keepers
2.02 swirl polished intake valves
1.60 swirl polished exhaust valves
Elgin hardened push rods
Long slot rockers with positive lock adjusting nuts
A Ton Of Extras: New Brezinski cast iron marine intake
.503 intake & .510 ehaust lift, 224 intake & 230 exhaust duration @ .050
Blueprint “Signature Series” polished aluminum valve covers
Rubber coated steel oil pan
Brass freeze plugs
All engines are dyno tested on a state of the art DTS dyno and ship with a complete spec sheet
12 month unlimited hour warranty on pleasure craft and airboat applications
Commercial or charter boat applications carry no warranty
Horsepower: 400 Torque: 435

Dressed 383 c.i. GM Marine – $5,795

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Block: Seasoned 4-bolt main
Max .040 bore
One piece rear main seal
Sonic tested to assure wall thickness
Align honed main bearing bore
Rotating Assembly: New SCAT premium crank
Keith Black Hypereutectic pistons
New COMP CAMS roller camshaft
Cylinder Heads: Cast Iron Vortec
1.25 dia. valve springs, hardened retainers and keepers
2.02 swirl polished intake valves
1.60 swirl polished exhaust valves
Elgin hardened push rods
Long slot rockers with positive lock adjusting nuts
A Ton Of Extras: New Brezinski cast iron marine intake
.503 intake & .510 ehaust lift, 224 intake & 230 exhaust duration @ .050
Edelbrock Fuel Pump
Edelbrock stainless steel fuel line and filter
Cast iron circulating pump
Edelbrock 750 electric choke carburetor
Professional Products harmonic balancer
MSD Pro-billet distributor
MSD Blaster SS coil
AC Delco spark plugs
MSD wire looms
MSD Super Conductor plug wires
Blueprint “Signature Series” polished aluminum valve covers
Rubber coated steel oil pan
Brass freeze plugs
All engines are dyno tested on a state of the art DTS dyno and ship with a complete spec sheet
12 month unlimited hour warranty on pleasure craft and airboat applications
Commercial or charter boat applications carry no warranty
Horsepower: 400 Torque: 435

 

Base 496 c.i. GM Marine – $5,995

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Block: 4 Bolt Main .060 over block
two piece rear seal
drivers side dipstick
Square and parallel decked
Align honed main bearing bore
Cylinders honed on computer controlled machine to within .0002 straightness and roundness
Cylinders are sonic tested for thickness
Rotating Assembly: New SCAT cast crankshaft externally balanced
New SCAT 4340 forged connecting rods
150,000 psi rod bolts
Probe forged flat top Pistons
Hastings moly rings
Rotating assembly balanced to within 2 grams
Melling high volume oil pump
Flat tappet hydraulic lifter .544 intake lift, .547 exhaust lift
226 intake, 236 exhaust duration @ .050, 112 degrees lobe separation
Heavy duty double roller (high perrformance) timing set
Cylinder Heads: GM cast iron oval port cylinder heads with screw-in studs and guide plates
1.509 dia. Valve springs w/ damper. Hardened retainers & keepers. 2.25 swirl
polished intake valves, 1.88 swirl polished exhaust valves
Elgin hardened push rods
Long slot rockers with postitive lock adjusting nuts
A Ton Of Extras: Merlin marine intake manifold
9.0 to 1 compression
Chrome valve covers
Milodon cad plated marine oil pan
Brass freeze plugs
All engines are dyno tested on state-of-the-art DTS dyno and come with
a complete dyno sheet
12 month unlimited hour warranty on pleasurecraft only
No warranty on commercial use
Critical Specs: Compression Ratio: 9.0 to 1
Ignition Timing: 13 to 16 Degree Initial / 34 Degree Total
Camshaft: .544 Int / .547 Exh & 226 Int / 236 Exh duration @.050 – 112 degree lobe seperation
Horsepower: 460 Torque: 515

 

Dressed 496 c.i. GM Marine – $7,995

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Block: 4 Bolt Main .060 over block, two piece rear seal, drivers side dipstick
Square and parallel decked
Align honed main bearing bore
Cylinders honed on computer controlled machine to within .0002
straightness and roundness
Cylinders are sonic tested for thickness
Rotating Assembly: New SCAT cast steel crankshaft externally balanced
New SCAT 4340 forged connecting rods
150,000 psi rod bolts
Probe forged flat top Pistons
Hastings moly rings
Rotating assembly balanced to within 2 grams
Melling high volume oil pump
Flat tappet hydraulic lifter .544 intake lift, .547 exhaust lift
226 intake, 236 exhaust duration @ .050, 112 degrees lobe separation
Heavy duty double roller (high performance) timing set
Cylinder Heads: GM cast iron oval port cylinder heads with screw-in studs and guide plates
1.509 dia. Valve springs w/ damper. Hardened retainers & keepers. 2.25 swirl
polished intake valves, 1.88 swirl polished exhaust valves
Elgin hardened push rods
Long slot rockers with postitive lock adjusting nuts
A Ton Of Extras: World Products Merlin marine intake manifold
9.0 to 1 compression
Chrome valve covers
Milodon cad plated marine oil pan
Brass freeze plugs
All engines are dyno tested on state-of-the-art DTS dyno and come with
a complete dyno sheet
12 month unlimited hour warranty on pleasurecraft only
No warranty on commercial use
Barry Grant marine 800 CFM carburetor
Holley marine mechanical fuel pump
MSD ignition system w/ plug wires and coil
Critical Specs: Compression Ratio: 9.0 to 1
Ignition Timing: 13 to 16 Degree Initial / 34 Degree Total
Camshaft: .544 Int / .547 Exh & 226 Int / 236 Exh duration @.050 – 112 degree lobe seperation
Horsepower: 460 Torque: 515