Our 4.1 stroker Shortblock is the perfect upgrade for GTR owners looking for bullet proof bottom end to handle big power while improving overall spool up and torque. Whether you need to drag race every weekend or race an endurance road course, this shortblock will handle all your needs. ·
This kit utilizes a custom billet 4340 steel crankshaft with a 94mm stroke ·
Boost Logic Spec’d Manley ‘Turbo Tuff’ VR38 Connecting Rods ·
Boost Logic Spec’d Manley ‘Platinum Series’ VR38 Lightweight Forged Pistons ·
Boost Logic Special Coated Engine bearings ·
Boost Logic Precision Assembly We also have a C350 Wrist Pin Upgrade offered at an additional $750 per set of 6. This wrist pin is a unique material based out of Austria and is used in all Promod level platforms delivering over 3000+HP