MGB Exhaust Manifolds - V8

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Part No.: GRID019696

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1
The original design manifolds for the MGB GT V8, compromised in efficiency because of space restrictions and with a well deserved reputation for cracking.
Sought after by those to whom under-bonnet originality matters above all else, otherwise more often than not replaced by fabricated tubular steel manifolds.
1
The original design manifolds for the MGB GT V8, compromised in efficiency because of space restrictions and with a well deserved reputation for cracking.
Sought after by those to whom under-bonnet originality matters above all else, otherwise more often than not replaced by fabricated tubular steel manifolds.
2
Supplied as a set.
For replacement of original MGB GT V8 cast iron manifolds or for Rover V8 transplants into 4 cylinder MGBs. Much improved gas flow over the cast iron originals but still somewhat compromised by the ‘Block Hugger’ pipework layout dictated by the small space available between the V8 engine and the bodywork through which the manifolds have to tortuously find their way.
The big selling points of the standard tubular manifolds are that they’re massively more reliable than cast iron manifolds and, unlike the MG RV8 manifolds also listed here, they require no bodywork modifications to fit.
They include a ‘Y’ piece and front part of the system intermediate pipe (ext. dia. 60mm), so will couple up to a standard mild or stainless system if the system downpipes and ‘Y’ piece are cut off.
£670.00 ex VAT£804.00 inc UK VAT
Quantity
3
Supplied as a set.
The best-off-the-shelf answer if freeflowing exhaust gases matter above all else.
An adaptation of the original MG RV8 manifolds, lacking the originals’ catalytic converter couplings (Rimmer Bros stock the originals as well, if that’s what’s desired - see our Rover V8 Engine catalogue and web listings).
Good gas flow brought about by exiting the engine bay through the car’s inner wings rather than having to work around them.
Apertures must be cut through the inner wings and reinforcements welded in place (see reinforcements) - not acceptable to most original MGB GT V8 owners but less of a concern to those creating MGB V8 conversions.
As with the standard tubular manifolds, the RV8 type set includes a long ‘Y’ piece (ext. dia. 60mm), so will couple up to a standard mild or stainless system if the system downpipes and ‘Y’ piece are cut off.
£710.00 ex VAT£852.00 inc UK VAT
Quantity
£1.40 ex VAT£1.68 inc UK VAT
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5
Twin port gasket with enlarged ports.
The ideal gasket design for tubular manifolds and suitable for all engines, including those with modified cylinder heads.
£4.90 ex VAT£5.88 inc UK VAT
Quantity
6
Fitting tubular manifolds to the cylinder heads is made easier by replacing the standard screws with our stud kit.
The risk of damaging the threads in the aluminium heads is also lessened.
The kit includes 16 studs, washers and brass nuts, sufficient for two manifolds.
£32.00 ex VAT£38.40 inc UK VAT
Quantity
£1.10 ex VAT£1.32 inc UK VAT
Quantity
£0.32 ex VAT£0.38 inc UK VAT
Quantity
9
Large 'C' shaped washer with tabbed ends, locks upper & lower manifold to head bolts.
£1.45 ex VAT£1.74 inc UK VAT
Quantity
10
Must be welded in place following cutting of necessary inner wing apertures when using RV8 style manifolds on MGB V8 conversions.
£95.00 ex VAT£114.00 inc UK VAT
Quantity
10
Must be welded in place following cutting of necessary inner wing apertures when using RV8 style manifolds on MGB V8 conversions.
£95.00 ex VAT£114.00 inc UK VAT
Quantity
Out of stock, expected soon May 01, 2021. Add to cart and Back Order
£1.60 ex VAT£1.92 inc UK VAT
Quantity
£0.90 ex VAT£1.08 inc UK VAT
Quantity
Customer Comments
"Very easy site to navigate, identify & select replacement parts for my Rover 75 V6 car, very reasonable prices and postage costs to Australia. a pleasure to Deal with Rimmer Bros" Customer Comment
Product Description

MGB Exhaust Manifolds - V8

Review: Greg Submitted: 05/04/2021

Overall5 out of 5 stars.

verified

Subject

Worked perfectly.
Overall

Did this item work well with your project? What vehicle type are you using this for?

Worked perfectly. 1994 RR Classic

Review: oldno1 Submitted: 21/12/2020

Overall5 out of 5 stars.

verified

Subject

Perfect fit - very good value!

Did this item work well with your project? What vehicle type are you using this for?

Inner wing reinforcement is of great value when you are installing aV8 engine in an MG MGB.