WE ARE PROUD TO OFFER A FULLY MODIFIED STAGE TWO R53 CYLINDER HEAD FROM ONE OF ENGLANDS TOP TUNERS. ALL PARTS INCLUDING THE CASTING ARE BRAND NEW. TWO YEARS OF R&D HAVE GONE INTO THE HEAD WITH THOUSANDS OF TEST AND DYNO MILES.EXHAUST VALVES ARE 1MM OVERSIZE.FLOW NUMBERS ARE PROVIDED BY COMPTECH MACHINE (INDY 500 WINNERS) NOTE: FLOW NUMBERS ARE FOR COMPARISON ONLY, ANY COMPARISON TO OTHER TUNERS HEADS WILL NOT BE ACCURATE UNLESS PREFORMED ON THE SAME FLOW BENCH.

INTAKE LIFT STOCK SEVEN EXHAUST LIFT STOCK SEVEN
.100 93.6 68.5 .100 70 62.6
.200 146 132.4 .200 114 127.1
.300 164.4 175.8 .300 122 160.9
.400 166.7 191.7 .400 124 171.4
.450 166.7 196.3 .450 124 174.0

PRICE $ 1,700.00