Relief Valves
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Oil Pressure Release Ball and Spring
- R78.15 excl VAT
- Oil pressure relief valve ball and spring kit. Cooper S up to 1971. Can be retro fitted to all minis to boost oil pressure.
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Oil Pressure Regulator Kit With Red Anodised Knob
- R422.22 excl VAT
- This kit includes a new oil galery plug with an adjustable knob and a washer which is used as a spring seat in the plug against the relief spring. This makes a playform for the adjuster bolt to adjust the engine oil pressure. Winding the knob in increases pressure, winding it out reduces the pressure. The standard spring 6K853 is…
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Oil Pressure Relief Ball Cooper S Type
- R26.70 excl VAT
- The oil pressure relief valve consists of an aluminum plunger with a heavy spring behind it. Access is through the 15/16" domed cap nut beside the dizzy. Once this nut is removed the spring will be visible. The plunger is beneath the spring and will probably be stuck, requiring encouragement to come out. Briefly cranking the engine over will usually…
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Oil Pressure Spring Original Cooper “S”
- R34.23 excl VAT
- Oil pressure relief valve spring for Cooper S 1961 to 1971.
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Oil Pressure Relief Valve Standard Spring
- R25.88 excl VAT
- The oil pressure relief valve consists of an aluminum plunger with a heavy spring behind it. Access is through the 15/16" domed cap nut beside the dizzy. Once this nut is removed the spring will be visible. The plunger is beneath the spring and will probably be stuck, requiring encouragement to come out. Briefly cranking the engine over will usually…
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Oil Pressure Release Valve Copper Washer
- R15.02 excl VAT
- The oil pressure relief valve consists of an aluminum plunger with a heavy spring behind it. Access is through the 15/16" domed cap nut beside the dizzy. Once this nut is removed the spring will be visible. The plunger is beneath the spring and will probably be stuck, requiring encouragement to come out. Briefly cranking the engine over will usually…
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Oil Pressure Relief Valve Seating
- R299.54 excl VAT
- The seating in the block that the‚ 12H865‚ oil pressure release valve sits in, when fitting the end with the slight taper goes into the block first. Tapped M8 to make removal from the block easy. We recommend that you leave the old seating in the block if having it acid dipped or any other chemical cleaning as this can…
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Oil Presssure Valve and Spring
- R92.12 excl VAT
- Replacement steel oil pressure and valve release spring kit. Fits inside the block on all Minis.
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Oil Pressure Spring Cap Nut
- R119.97 excl VAT
- The oil pressure relief valve cap on the front of A series.
