B.S.A. Qty Price:
B.S.A. 650cc twin STD Valves gas-flow
change inlet port to two 30mm MK-1 		plus valves £210
B.S.A. Single 350cc STD Valves gas-flow change to Lead-free exhaust seat
and guides 		plus valves £210
BSA Single 350cc 44/37mm Central inlet port Gas-flow plus valves £680
BSA Single 500cc STD Valves gas-flow change to Lead-free exhaust seat
and guides 		plus valves £220
BSA Single 500cc 47/40 Valves gas-flow change all seats and guides plus valves £280
500/350cc Twin plugConversion Each £48
You can buy hard Lead- free valve seats
you have to put it in head or i will do it 		Each
Each 		£32
£45
BSA Single 500cc 47/40 Re-angled Central port Gas-flow seats and guides plus valves £680

500 BSA Before the operation 500 BSA After cancer operation 14mm plug changed to 10mm long reach 14mm plug changed to 10mm long reach 500 BSA Central Port 500 BSA Central Port & Twin plug




500 BSA Central Port 500 BSA Central Port 500 BSA before operation 500 BSA Central Port after operation 500 BSA Central Port after operation 500 BSA Twin plug




bsa 650cc bsa 650cc bsa 650cc Lead-free seats before and after machined








Royal Enfield Qty Price:
Bullet 500 Fit MK II amal's Porting guides plus valves £110


500 Bullet and MK II manifold 500 Bullet and MK II manifold



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All the prices in this list are correct at the time of publishing, but we reserve the right to alter prices without notice.