Street 341cc STG 3 ported head big valve kit 41mm throttlebody

$2,350.00 - $2,450.00

40+ HP kit!!!


GCR upgraded (Cast) sleeved big bore block 341cc

Better cooling/ bigger water jackets best kit on the market. Thicker sleeve


GCR Ported big valve head with race springs

GCR Stage 3 billet camshaft or stage 2 camshaft

GCR Limited edition 41mm ported TB




All gaskets included base and head gasket.


Timing chain tentioner included


This setup should see 39-41+ 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