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TAM1521

HEAD GASKET 1300 BLACK BK450 ORIGINAL GASKET

Payen,stamped BK450, original standard composite reinforced gasket used on all large bore engines by Rover including Metro and MG Turbo and is an exceptionally good gasket.

Asbestos free with copper type sealing rings. Compressed volume is approx 3.3cc.

This original head gasket has now been superseded/replaced by the GUG702560HG which has a different black rubber type O ring fitted on the rocker supply gallery. Many customers prefer this original TAM1521 Payen gasket without the rubber seal which has been proven over time to be superior in competition use, even though these new black type have been known to act as a thermal barrier between head and block which can tend to increase engine temperature, hence why people are still using good copper gaskets, see GEG300.
  • £11.50 exc vat
  • £13.80 inc vat

 In stock

 
help Recommended usage 1 x TAM1521 to fit one mini.
See details below of where TAM1521 is used in AKM manual.
 
Cylinder Head Cooper 'S' 970CC, 1071CC & 1275CC - Qty 1

1275 Except Cooper 'S' & Turbo - Qty 1

Cylinder Head 1275 Turbo & Heads with Triple Coll - Qty 1

Power Unit Gasket Sets 1959-2000 - Qty 1

Cylinder Head - Qty 1

 
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Manuals with this product

Showing 1 to 5 of 5 manual pages
 
 
 
Cylinder Head Cooper 'S' 970CC, 1071CC & 1275CC

Engine

Classic Mechanical Parts Manual
1275 Except Cooper 'S' & Turbo

Engine

Classic Mechanical Parts Manual
Cylinder Head 1275 Turbo & Heads with Triple Coll

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Classic Mechanical Parts Manual
Cylinder Head

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Classic Mechanical Parts Manual
Power Unit Gasket Sets 1959-2000

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Classic Mechanical Parts Manual
 

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Fitting instructions / Articles

CTR-STR1057 GROUP A TURBO HEADGASKET FOR RACING, BLOCK NEEDS MODIFICATION


This gasket was originally developed by Howley Racing way back in the mid eighties for what was then part of the factory Rover Group racing effort - the Group A Metro Turbo. C-STR1057 Group A Turbo head gasket The engines developed by Howley Racing were giving 220+bhp and 185lb ft running 16.4psi boost - quite a chunk of power in a car little bigger than a Mini! Despite 10" wide sticky slicks, the engine chirped the tyres in each upward gear change. Even more impressive when you consider this was still on it's single 1.75" HIF SU carb! All that was basically done was to take a standard production head gasket (the then all over silver TAM1521 - a great gasket it it's own right) and add a reinforced fire ring by over-lapping the existing one with an extra fold of metal.As a consequence the block needs to be machined to accept this gasket - rendering it useless for any other gasket fitment and any further over-bores (even to 73.5mm) unless a top-hat type liner was used.