Tractor Pulling Parts Featured Items
300/400 Series Front Cover

300 and 400 series aluminum front cover

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Aluminum International Harvester 300/400 series engine front cover for 66 series tractors. Exact duplicate of production cover and 50 pounds lighter than the cast iron cover. This part is also available in cast iron.

Big Valve Cylinder Head 774 2.5

Big valve heavy wall casting cylinder head for prostock tractors with 4 7/8" bore engines

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Big valve heavy wall casting cylinder head for prostock tractors with 4 7/8" bore engines.
Includes high temperature 2.5" intake titanium valves and 1.9" diameter inconel exhaust valves, rotators, double valve spring package, titanium retainers and locks. Ports are designed for maxumum flow with optium swirl for this bore size.
This casting has increased thickness in critical crack prone areas and drilled for port water injection.

Prostock Turbo

Hypermax Prostock Turbocharger 4.9" exhaust with 5" inducer. Fits all makes of trucks and tractors.

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Hypermax Prostock Turbocharger 4.9" exhaust with 5" inducer. Billet compressor wheel wheel with inconel turbine wheel. Fits all makes of trucks and tractors Hypermax center section, turbine housing and compressor housing. Custom billet 5" inlet compressor wheel. Choices of turbine housing available, let us know upon ordering.

Hypermax Injection Pump IH

Hypermax Mod-S INline Injection Pump 15mm Plungers and high lift camshaft

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Hypermax Mod-S inline Injection Pump 15mm Plungers and high lift camshaft.
Complete mounting adapter, drive gear and additional support brackets for 400 series International Engines Hypermax cast aluminum housing with 15mm plunger and barrel assemblies, high lift camshaft. All parts are Hypermax designed and built.

Hypermax Injection Pump John Deere

Hypermax Mod-S INline Injection Pump 15mm Plungers and high lift camshaft for John deere applications

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Hypermax Mod-S inline Injection Pump 15mm Plungers and high lift camshaft. Hypermax cast aluminum housing with 15mm plunger and barrel assemblies, high lift camshaft. All parts are Hypermax designed and built.

4.625 Bore Cylinder set JD Billet

4.625 Bore Cylinder set for John Deere, 12:1 Compression Ratio with solid wrist pins and billet pistons

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4.625 Bore Cylinder set 12:1 Compression Ratio with solid wrist pins and billet pistons.
This set includes billet pistons, rings, clips, solid wrist pins, cylinder sleeves and "O" rings.
Valve cut outs also included, let us know your valve size.
No block boring required
Note:You must also purchase the dynamic head gasket assembly to work with this kit due to the sleeve design.

Prostock Turbo John Deere

Hypermax Prostock Turbocharger 4.9" exhaust with 5" inducer. Fits all makes of trucks and tractors.

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Hypermax Prostock Turbocharger 4.9" exhaust with 5" inducer. Billet compressor wheel wheel with inconel turbine wheel. Fits all makes of trucks and tractors Hypermax center section, turbine housing and compressor housing. Custom billet 5" inlet compressor wheel. Choices of turbine housing available, let us know upon ordering.

Prostock Exhaust Manifold

Prostock IH HI Flow Exhaust Manifold

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Prostock IH HI Flow Exhaust Manifold
Cast 3 piece exhaust manifold complete with seals and mouting hardware.

Prostock Intake Manifold

Pro Stock cast Aluminum Intake Manifold

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Prostock Cross Over Pipe

Prostock turbo to intake manifold cross over

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Prostock turbo to intake manifold cross over to connect a Hypermax prostock turbo charger to the prostock intake manifold.
Must also have the Hypermax Prostock cast exhaust manifold.

4.625 Bore Cylinder set cast

4.625 Bore Cylinder set 12:1 Compression Ratio and cast pistons

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4.625 Bore Cylinder set 12:1 Compression Ratio.
This set includes cast pistons, rings, clips, hollow pins, cylinder sleeves and "O" rings.
Valve cut outs also included, let us know your valve size.
Solid piston pins also available for an additional $385
Note:You must also purchase the dynamic head gasket assembly to work with this kit due to the sleeve design.

4.625 Bore Cylinder set JD Billet

4.625 Bore Cylinder set for John Deere, 12:1 Compression Ratio with solid wrist pins and billet pistons

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4.625 Bore Cylinder set 12:1 Compression Ratio with solid wrist pins and billet pistons.
This set includes billet pistons, rings, clips, solid wrist pins, cylinder sleeves and "O" rings.
Valve cut outs also included, let us know your valve size.
No block boring required
Note:You must also purchase the dynamic head gasket assembly to work with this kit due to the sleeve design.

4.625 Bore Cylinder set cast

4.625 Bore Cylinder set 12:1 Compression Ratio with solid wrist pins and cast pistons

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4.625 Bore Cylinder set 12:1 Compression Ratio.
This set includes cast pistons, rings, clips, solid wrist pins, cylinder sleeves and "O" rings.
Valve cut outs also included, let us know your valve size.
Note:You must also purchase the dynamic head gasket assembly to work with this kit due to the sleeve design.

4.625 Bore Cylinder set cast

4.625 Bore Cylinder set 13:1 Compression Ratio and cast pistons

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4.625 Bore Cylinder set 13:1 Compression Ratio.
This set includes cast pistons, rings, clips, hollow wrist pins, cylinder sleeves and "O" rings.
Valve cut outs also included, let us know your valve size.
Solid piston pins also available for an additional $385
Note:You must also purchase the dynamic head gasket assembly to work with this kit due to the sleeve design.

4.625 Bore Cylinder set cast

4.625 Bore Cylinder set 13:1 Compression Ratio with solid wrist pins and cast pistons

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4.625 Bore Cylinder set 13:1 Compression Ratio.
This set includes cast pistons, rings, clips, solid wrist pins, cylinder sleeves and "O" rings.
Valve cut outs also included, let us know your valve size.
Note:You must also purchase the dynamic head gasket assembly to work with this kit due to the sleeve design.

4.875 Bore Cylinder set

4.875 Bore Cylinder set 12:1 Compression Ratio for deckplace applications

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4.875 Bore Cylinder set 12:1 Compression Ratio.
This set includes billet pistons, rings, clips, solid wrist pins, cylinder sleeves and "O" rings.
Valve cut outs also included, let us know your valve size.
Note:You must also purchase the dynamic head gasket assembly to work with this kit due to the sleeve design.

4.875 Bore Cylinder set

4.875 Bore Cylinder set 12:1 Compression Ratio for non deckplace applications

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4.875 Bore Cylinder set 12:1 Compression Ratio.
This set includes billet pistons, rings, clips, solid wrist pins, cylinder sleeves and "O" rings.
Valve cut outs also included, let us know your valve size.
Note:You must also purchase the dynamic head gasket assembly to work with this kit due to the sleeve design.

4.875 Bore Cylinder set

4.875 Bore Cylinder set 13:1 Compression Ratio for deckplace applications

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4.875 Bore Cylinder set 13:1 Compression Ratio.
This set includes billet pistons, rings, clips, solid wrist pins, cylinder sleeves and "O" rings.
Valve cut outs also included, let us know your valve size.
Note:You must also purchase the dynamic head gasket assembly to work with this kit due to the sleeve design.

4.875 Bore Cylinder set

4.875 Bore Cylinder set 13:1 Compression Ratio for non deckplace applications

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4.875 Bore Cylinder set 13:1 Compression Ratio.
This set includes billet pistons, rings, clips, solid wrist pins, cylinder sleeves and "O" rings.
Valve cut outs also included, let us know your valve size.
Note:You must also purchase the dynamic head gasket assembly to work with this kit due to the sleeve design.

4.3 Bore Cylinder set cast

4.3 Bore Cylinder set 12:1 Compression Ratio with cast pistons

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4.3 Bore Cylinder set 12:1 Compression Ratio.
This set includes cast pistons, rings, clips, hollow pins, cylinder sleeves and "O" rings.
Valve cut outs also included, let us know your valve size.
Solid piston pins also available for an additional $385
Note:You must also purchase the dynamic head gasket assembly to work with this kit due to the sleeve design.

4.3 Bore Cylinder set Cast

4.3 Bore Cylinder set 12:1 Compression Ratio with solid wrist pins and cast pistons

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4.3 Bore Cylinder set 12:1 Compression Ratio.
This set includes cast pistons, rings, clips, solid wrist pins, cylinder sleeves and "O" rings.
Valve cut outs also included, let us know your valve size.
Note:You must also purchase the dynamic head gasket assembly to work with this kit due to the sleeve design.

4.3 Bore Cylinder set cast

4.3 Bore Cylinder set 13:1 Compression Ratio with cast piston

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4.3 Bore Cylinder set 13:1 Compression Ratio.
This set includes cast pistons, rings, clips, hollow wrist pins, cylinder sleeves and "O" rings.
Valve cut outs also included, let us know your valve size.
Solid piston pins also available for an additional $385
Note:You must also purchase the dynamic head gasket assembly to work with this kit due to the sleeve design.

4.3 Bore Cylinder set cast

4.3 Bore Cylinder set 13:1 Compression Ratio with solid wrist pins and cast piston

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4.3 Bore Cylinder set 13:1 Compression Ratio.
This set includes cast pistons, rings, clips, solid wrist pins, cylinder sleeves and "O" rings.
Valve cut outs also included, let us know your valve size.
Note:You must also purchase the dynamic head gasket assembly to work with this kit due to the sleeve design.

IH Roller Rocker Arms

IH 400 Series Roller Rocker Arms

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IH 400 Series Roller Rocker Arms. High alloy investment cast steel rocker arms. Incredible stifness results in higher effective valve lift. Far superior than billet aluminum machined rockers
Supplied with roller tip and replaceable bronze bushing and adjusting screw assembly.
Guaranteed for life against breakage

400 Series Valve Cover

400 Series Cast Aluminum Valve Cover

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400 Series Cast Aluminum Valve Cover with mounting hardware and O-Ring.
Designed to replace the factory steel stamped valve cover and clear aftermarket rocker arms. O-ring seal between cover and cylinder head. Extra support around mounting points to prevent valve cover blow out when you burn a piston and make lots of crankcase pressure.
 
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