NEW MAX TORQUE BUSA HEAD !
THIS IS OUR NEWEST PORT DESIGN FOR STOCK BORE TO 1397 ENGINES USING 2 INTAKE CAMS OR SMALL AFTERMARKET CAMS . OUR STOCK BORE ENGINES MAKE MID-HIGH 190'S HP/112 FT LBS TORQUE , OUR TEST 1397 WITH 2 INTAKE CAMS MADE 210HP/125 FT LBS OF TORQUE !
You wont find a better head for a budget streetbike build !!!
ONLY 695.00 !!!!!!!!!!!!
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Hayabusa std. porting - 775.00
This is for the built stock bore to mild/wild built 1397 .
Typical of motors up to 225HP.
Price includes disassembly / valve cleaning / check valve runout / combustion chamber clean-up / valve lapping / reassembly and return shipping to the lower 48 states .
reccommended options are aftermarket springs .
Minimum cam reccommendations 2 stock intake cams .
Works excellent with .385-.415 intake / stock intake on exhaust .
Welded emissions ports
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Hayabusa race porting - 875.00
This stock valve head is designed more for the aggressive 1397 and larger engine .
Flows 5% more than the standard head at mid and high cam lift yet maintains incredible velocity .
Price includes disassembly / valve cleaning / check valve runout /combustion chamber clean-up / valve lapping / reassembly / guides pressed for cam clearance / emissions ports welded /decking / chamber radiusing and return shipping to the lower 48 states .
Large cams (.415 OR BIGGER) are strongly reccomended for this head to work as designed . Expect strong improvments in mid to high rpm range .
Reccommended options are aftermarket springs , oversize valves for large displacement applications .
Not a good choice for a small/mild engine !
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Hayabusa turbo porting - 625.00
High velocity polished exhaust ports for fast spool . Std. finish on intakes .
Price includes disassembly / valve cleaning/ check valve runout / valve lapping / reassmebly / emissions ports welded / chamber clean-up / radiusing and return shipping to the lower 48 states .
NOW ALSO INCLUDES OUR NEW TURBO-COMBUSTION CHAMBER MOD !
Reccommended options are 65# springs .
Custom porting available for unlisted applications - please call
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GSXR-1000 porting - 750.00
Price includes disassembly / valve cleaning / combustion chamber clean-up / valve lapping / reassembly and return shipping to the lower 48 states
new valve springs reccommended .
Honda 1000RR porting
1KSS "CHEATER" bowl blend to full porting package available .
we've seen huge gains with minimal work on these heads !
please contact us for details !
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