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MINI S R53 Cylinder Head


MINI S R53 Cylinder Head

20.00 LBS
$65.00 (Fixed shipping cost)

Product Description

The Sneed Super Cooper series of cylinder heads is our premier fully assembled MINI Cooper cylinder head.  Each head is cleaned, checked and then built into a Super Cooper Street, Sport or Super head by our inhouse engine machinist.  

Super Cooper Street - (Stock replacment) heads are fully rebuilt to better than OEM specs with OEM parts.  Heads are decked and trued to .0001 of an inch on the engine sealing surface, then receive a high flow valve job and valve facing as well as setting the valve spring seat pressures for best performance.  This is a great stock replacement head, built by the leading MINI race parts manufacturer.  

Super Cooper Sport, heads receive all the above plus a Sneed high performance cam and new high performance valve springs.  If you're tracking your MINI on a budget, this is the head for you.  Direct, bolt on replacement for the stock head with a 15-20 horse power increase over the stock unit with ECU tuning, REV limiter can be increased to 8000rpm.  No ECU tuning required.  

Super Cooper Race, heads receive everything above, plus a full CNC porting and polishing, a Sneed high performance cam, oversized super alloy valves, and race valve springs with titanium retainers that are 45% lighter than OEM retainers.  All this creates a head that makes big power, handles high boost levels and revs past 10,000 RPM without valve float.  ECU tuning is required.

Super Cooper Race CNC Ported Bare Head,  CNC ported and polished bare head.  Completely ported and polished and ready for assembly machine work.  Exact same head as our race head just in bare form.  Head includes, port head casting, rocker arms, rails and cam caps.  DOES NOT include valves, guides, springs, or cam.  


There is a 500.00 core charge on all heads.  If you are returning your head before we ship your new head pick the Returning core before new head is shipped option with the head you want.  You will not have to pay a core charge.  

If you will be sending your head back after you receive your new head pick the Not returning core before new head is shipped option with the head you want.  You will have to pay a core charge.  Once your head is returned to us and passes inspection we will refund the core charge on the same day.  Inspection can take up to 14 days.  We need your core back!  Good cores must not be damaged or cracked and must include all parts and pieces but do not have to be assembled when we receive them.  If your head is cracked and warpped beyond repair you will have to pay the core charge.  We DO NOT expect heads that are cracked, melted or incomplete.  We DO NOT expect core returns for credit after 30 days after new head ship date.  Normally we have heads in stock and ready to ship.  Emissions legality for sport and race heads is not guaranteed, emission laws vary by state.  If you are concerned check with your states DOT/DMV or governing body for emission laws and legality questions.    


Dont forget your head gasket - MLS Steel head gasket R53 MINI Cooper S (Race)  or R53 MINI Head Gasket set - Stock replacement

Head bolts and studs -  R53 MINI Head Bolts set - stock replacement or ARP Pro Series Head Stud Kit R53 (Race)

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