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Nucleus Street Elite Valves & Guides

Cylinder Head Shop Nucleus Street Elite Valves and Guides are design specifically for today’s high performance sport motorcycles. The Nucleus Sports Elite stainless steel valves are the best available stainless steel valves on the market, designed with the benefit of 25 years experience of working on virtually all models, of all makes of motorcycle and with all other aftermarket manufacturer’s replacement and performance parts.

Nucleus parts benefit from individual features drawn from many sources, including racing, aviation and long distance trucking, and are manufactured and hand finished to the highest currently possible standards.

MAKE MODEL TYPE COST GUIDES SEALS
DUCATI 888 34 mm INLET
888 EXHAUST
888 2 mm OVERSIZE INLET
888 1 mm OVERSIZE EXHAUST
SUPER MONO INLET
SUPER MONO 1 mm OVERSIZE INLET
SUPER MONO EXHAUST
916 INLET
916 EXHAUST
HONDA CB77 INLET
CB77 EXHAUST
K3/K4 SET OF 4
K3/K4 EACH
CB450 INLET
CB450 EXHAUST
K6 INLET
K6 EXHAUST
XL500 INLET
XL500 EXHAUST
XL500 INLET
XL500 EXHAUST
RC30 INLET
RC30 EXHAUST
RC30 INLET
RC30 EXHAUST
RC45 INLET
RC45 EXHAUST
RD45 INLET
RC45 EXHAUST
CBR600F INLET
CBR600F EXHAUST
CBR900F FIREBLADE INLET
CBR900F 1 mm OVERSIZE INLET
CBR900F EXHAUST
CBR900F 1 mm OVERSIZE EXHAUST
HUSQUVARNA 350 INLET
350 EXHAUST
510 INLET
510 EXHAUST
610 INLET
610 EXHAUST
KAWASAKI KLX 250 INLET
ZXR 400 INLET
ZXR 400 EXHAUST
GPZ 600 INLET
GPZ 600 EXHAUST
ZZR 600 INLET
ZZR 600 EXHAUST
ZXR 6R INLET
ZXR 6R EXHAUST
ZXR 750 INLET
ZXR 750 EXHAUST
ZX  7R 96 on INLET
ZX  7R 96 on EXHAUST
Z 900 INLET
Z 900 1 mm OVERSIZE INLET
Z 900 EXHAUST
Z 900 1 mm OVERSIZE EXHAUST
ZXR 900 INLET
ZXR 900 EXHAUST
ZZR 1100 INLET
ZZR 1100 EXHAUST
SUZUKI GSXR 750 INLET
GSXR 750 EXHAUST
GSXR 750W INLET
GSXR 750W EXHAUST
RF 900 I mm OVERSIZE INLET
RF 900 EXHAUST
GS 1000 INLET
GS 1000 1 mm OVERSIZE INLET
GS 1000 2 mm OVERSIZE INLET
GS 1000 3 mm OVERSIZE INLET
GS 1000 EXHAUST
GS 1000 EXHAUST
GSX 1100 INLET
GSX 1100 0.5 mm OVERSIZE INLET
GSX 1100 1.5 mm OVERSIZE INLET
GSX 1100 3.0 mm OVERSIZE INLET
GSX 1100 4.5 mm OVERSIZE EXHAUST
GSX 1100 EXHAUST
GSXR 1100 1 mm OVERSIZE 87-90 INLET
GSXR 1100 2 mm OVERSIZE 87-90 INLET
GSXR 1100 1 mm OVERSIZE 87-90 EXHAUST
GSXR 1100 2 mm OVERSIZE 87-90 EXHAUST
GSXR 1100 91-92 INLET
GSXR 1100 1.5 mm OVERSIZE 91-92 INLET
GSXR 1100 91-92 EXHAUST
GSXR 1100 1 mm OVERSIZE 91-92 EXHAUST
YAMAHA FZR 400 INLET
FZR 400 EXHAUST
FZR 600 up to 94 INLET
FZR 600 up to 94 EXHAUST
FZR 600 94 on INLET
FZR 600 94 on EXHAUST
XTZ660 INLET
XTZ660 EXHAUST
OWO 1 5 valve, 2 off INLET
OWO 1 5 valve, 1 off INLET
OWO 1 5 valve, 2 off 1 mm OVERSIZE INLET
OWO 15 valve, 1 off 1 mm OVERSIZE INLET
OWO 1 EXHAUST
OWO 1 1 mm OVERSIZE EXHAUST
YZF 750 SP 5 valve, 2 off INLET
YZF 750 SP 5 valve, 1 off INLET
YZF 750 SP 5 valve, 2 off flat face INLET
YZF 750 SP 5 valve, 1 off flat face INLET
YZF 750 SP EXHAUST
YZF 750 SP flat face EXHAUST
FJ 1000 INLET
FJ 1000 INLET
FZR 1000 5 valve, 2 off INLET
FZR 1000 5 valve, 1 off INLET
FZR 1000 5 valve, 2 off EXHAUST
FZR 1000 5 valve, 1 off EXHAUST
HARLEY- 1000 SET OF 2 £50.00 £23.00 ea
DAVIDSON 1200/1340 Shovel SET OF 2 £50.00 £23.00 ea
1340
Evolution
INLET £23.00 ea £20.00 ea
EXHAUST £32.00 ea £20.00 ea