Rotary Valve

Components for rotary disc valve controlled intake engines. In this section you'll find both Maranello Engineering products dedicated to the RG 500 Gamma engine and other manufacturers' products for different engines. Maranello Engineering's rotary discs use the folowing coding system:

RVDRG5111607SS
Rotary Valve Disc, RG500, 116 mm (oversize)

Rotary Valve Disc, RG500, 116 mm (oversize)

RG 500 Gamma rotary valve disc in surface ground spring steel, 0.7 mm thickness; the intake timing and the other geometric parameters are same as...
26.44EUR
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SETRVD112RG
Set, RG 500 Gamma 112 mm rotary discs (4 pieces, steel)

Set, RG 500 Gamma 112 mm rotary discs (4 pieces, steel)

Set made of four 112 mm steel rotary valve discs for the RG 500 engine in stock configuration. Please clic here for full details on the product.
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SETRVD116RG
RG 500 Gamma 116 mm rotary discs set

RG 500 Gamma 116 mm rotary discs set

set made of four 116 mm steel rotary valve discs for the RG 500 Gamma engines that have a properly modified intake system. Pay attention , the price...
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KITRVHRG5STK
Kit, RG 500 Stock Hubs (4 pieces including rivets)

Kit, RG 500 Stock Hubs (4 pieces including rivets)

New hubs with improved tolerances and ground flanges. Pay attention , the price of this product is below cost and is reserved as a "bonus"...
105.29EUR
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RVCRG5116L
Outer Valve Cover, RG500, 116 mm, LH

Outer Valve Cover, RG500, 116 mm, LH

Outer rotary valve cover for the RG 500 in left side version. Here you find the right side version. New model further improved in machining and...
82.00EUR
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RVCRG5116R
Outer Valve Cover, RG500, 116 mm, RH

Outer Valve Cover, RG500, 116 mm, RH

Outer rotary valve cover for the RG 500 in right side version. Here you find the left side version. New model further improved in machining and...
82.00EUR
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RVPRG5116L
Inner Valve Seat, RG500, 116 mm, LH

Inner Valve Seat, RG500, 116 mm, LH

Inner plate (valve seat) suitable for usage with the oversized 116 mm discs. Variant for the left side of the RG500 engine. Installation doesn't...
33.42EUR
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RVPRG5116R
Inner Valve Seat, RG500, 116 mm, RH

Inner Valve Seat, RG500, 116 mm, RH

Inner plate (valve seat) suitable for usage with the oversized 116 mm discs. Variant for the right side of the RG500 engine. Installation doesn't...
33.42EUR
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KITGSVRG5A
Kit, Assorted Valve Seat Gaskets, RG500, any thickness (12 pcs.)

Kit, Assorted Valve Seat Gaskets, RG500, any thickness (12 pcs.)

Mini kit, seat valve gaskets for tuning the valve clearance of the RG 500.  It includes 12 pieces in 3 different thicknesses (4 pieces for each...
28.82EUR
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KITORG502V
Antiseize ORing Kit, RG 500

Antiseize ORing Kit, RG 500

This kit replaces all ORings of the RG500 engine that are exposed to contact with gasoline, with ORings made in VITON (FKM, an elastometer that is...
34.72EUR
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KITRVRG5116S
Complete 116 mm Rotary Valve Kit, RG 500

Complete 116 mm Rotary Valve Kit, RG 500

Complete oversize rotary valve kit for the RG 400 and RG 500 engines. You find it only here. The kit includes all parts including bolts, seals and...

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CSR030080S
Countersunk Flat Head Solid Rivet, 3 x 8, Steel

Countersunk Flat Head Solid Rivet, 3 x 8, Steel

Mild steel rivet for the assembly of the stock RG 500 Gamma engine rotary valve discs hubs. Compatible with both the stock hubs and the...
0.08EUR
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SETSRG502
Oil Seals Set, RG 500

Oil Seals Set, RG 500

Set made of 5 oil seals for the RG 500 engine: driven shaft output oil seal (front sprocket) water pump oil seal starter oil seal (kickstarter lever)...
13.37EUR
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KITORG503
ORing Kit, RG 500

ORing Kit, RG 500

Kit containing all the ORings of the RG 500 engine (28 pieces) now available in two versions: base version (economy) where all pieces are made in NBR...
20.20EUR
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OR137018
ORing, RG 500 116 mm Rotary Valve Cover

ORing, RG 500 116 mm Rotary Valve Cover

Special O-Ring to be used with our CNC billet rotary valve covers. It can also be used with stock covers, but if and only if the thickness of the...
2.40EUR
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OR137018V
ORing, RG 500 116 mm Rotary Valve Cover, VITON

ORing, RG 500 116 mm Rotary Valve Cover, VITON

Special O-Ring to be used with our CNC billet rotary valve covers, VITON version. VITON rings are much more resistant to gasoline than plain NBR...
8.14EUR
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RVDXR45010904SS
Rotary Valve Disc, XR45

Rotary Valve Disc, XR45

Rotary valve disc for the XR45 engine, perfectly interchangeable with the original one having same thickness, shape, dimensions and hub mounting...
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RVHXR45SE
Rotary Valve Hub, XR45

Rotary Valve Hub, XR45

Rotary valve hub for the XR45 engine.
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OR138022V
VITON ORing, RG 500 Rotary Valve Cover

VITON ORing, RG 500 Rotary Valve Cover

This is a better replacement for the O-Ring of the RG 500 outer rotary valve cover. Dimensions and colour are the same as stock Suzuki part number...
4.85EUR
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KITGORG503
Gasket Kit, RG 500

Gasket Kit, RG 500

Attention! Some of the pieces making up the gasket kit are temporarily out of stock; the missing pieces are already being reordered and delivery is...
52.50EUR
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CBGRG5
RG500 Carburettor Bowl Gasket

RG500 Carburettor Bowl Gasket

Carburetor bowl gasket for the original 28 mm Mikuni carburettor of the Suzuki RG 500 and RG 400. This object is NOT the genuine part number...
6.00EUR
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