The Grom Cartel- Home for your Grom fatties, 300 swap parts and more!
0 $0.00

Strip/Street Billet 349cc STG 3 ported head big valve kit 45mm throttlebody

$3,295.00
Image 1 of Strip/Street Billet 349cc STG 3 ported head big valve kit 45mm throttlebody
Image 2 of Strip/Street Billet 349cc STG 3 ported head big valve kit 45mm throttlebody
Image 3 of Strip/Street Billet 349cc STG 3 ported head big valve kit 45mm throttlebody
Image 4 of Strip/Street Billet 349cc STG 3 ported head big valve kit 45mm throttlebody
Image 5 of Strip/Street Billet 349cc STG 3 ported head big valve kit 45mm throttlebody
1 of 5
View cart

40+ HP kit!!!


GCR Billet sleeved big bore block 349cc (84mm)

GCR Ported big valve head with race springs

GCR Stage 3 billet camshaft

GCR Limited edition 50mm ported TB


Low mount header

2022+ gen 3 swap mounts

Rad and hoses



All gaskets included base and head gasket.


Timing chain tentioner included


This setup should see 39-43+ hp on stage 3 cam

45+ on race fuel







*****recommendations*****

****NOT INCLUDED****


chimera billet elbow

Aracer & Aracer AF2

upgraded clutch system and springs

sex machine discs and 60% springs