Xtreme-DI GDI High Flow Pump – LT1/LT4

Description

Features:

• Precision machined and assembled fuel pump assembly using brand new production LT1 fuel pump cores
• 12.0 mm bore
• DLC coated bore and piston
• Compatible with production LT1 and LT4 fuel pump lobes and with aftermarket higher lift fuel pump lobes
  • Note – some aftermarket higher lift fuel pump camshaft lobe designs may require a lash cap to compensate for the smaller camshaft base circle.
  • Note – some aftermarket higher lift fuel pump camshaft lobe designs may require a higher load spring on the pump to maintain fuel pump lifter control a revised spring on the pump
• 100% hot tested pump assemblies to confirm performance and functionality
• Individually serial numbered
• Maximum recommended operating pressure of 15 MPa or 2175 PSI
• Requires consistant low side fuel pressure of 68 PSI or greater

Benefits:

• Increased fuel flow allows higher power levels without having to resort to auxiliary fuel systems.
• Stock appearing.
• E85 compatible.
• Can be combined with higher lift fuel pump lobes for even greater flow rate increases.

Stock LT1 fuel pump lobe size 5.70 MM