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.
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BHH999
No longer available
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.
Qty Req-1
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BHH1000
This part has been superseded
Use BHH1000CSS
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.
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BHH1000CSS
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£790.00 ex VAT£948.00 inc UK VAT
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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.
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RP1498
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£850.00 ex VAT£1,020.00 inc UK VAT
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AJM692
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£1.65 ex VAT£1.98 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.
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AJM692SPORT
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£5.95 ex VAT£7.14 inc UK VAT
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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.
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EF1001
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£37.00 ex VAT£44.40 inc UK VAT
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SH506091
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£1.30 ex VAT£1.56 inc UK VAT
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12H2178
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£0.37 ex VAT£0.44 inc UK VAT
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9
Introducing the Manifold Lock Tab 90613659A - Aftermarket, a dependable and robust solution designed to secure and safeguard the integrity of your exhaust manifold in a variety of Land Rover models, including the Defender, Discovery 1, Series 3, and Range Rover Classic.

Large 'C' shaped washer with tabbed ends, locks upper & lower manifold to head bolts.
  • Prevent Exhaust Leaks.
  • Aftermarket Manifold Lock Tab.
  • Land Rover and Range Rover Manifold Lock Tab.
Qty Req-8, Item Info 2-screw
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90613659A
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£1.70 ex VAT£2.04 inc UK VAT
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10
Must be welded in place following cutting of necessary inner wing apertures when using RV8 style manifolds on MGB V8 conversions.
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RP1424RH
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£120.00 ex VAT£144.00 inc UK VAT
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10
Must be welded in place following cutting of necessary inner wing apertures when using RV8 style manifolds on MGB V8 conversions.
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RP1424LH
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£120.00 ex VAT£144.00 inc UK VAT
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GUG4804MG
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£2.20 ex VAT£2.64 inc UK VAT
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TE505131
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£1.15 ex VAT£1.38 inc UK VAT
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12 month warranty
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Product Description

MGB Exhaust Manifolds - V8

Review: Greg Submitted: 05/04/2021

Overall5 out of 5 stars.
verified

Subject
Worked perfectly.

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.