Lingenfelter Big Bore Direct Injection High Volume Fuel Pump for GM LT1/LT4 V8

Features:
Precision machined and assembled fuel pump assembly using brand new production LT1 fuel pump cores (no used 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

Applications:
High horsepower and E85 conversion of GM Gen V V8 direct injection engines including LT4, LT1, L86 and L83
2014-2019 C7 Corvette (LT1)
2015-2019 C7 Z06 Corvette (LT4)
2016-2022 Camaro SS (LT1)
2016-2019 CTS-V (LT4)
2017-2022 ZL1 Camaro (LT4)
2014-2018 Silverado and Sierra with 5.3L L83 and 6.2L L86 engines
2015-2022 Suburban, Tahoe, Yukon and Escalade with 5.3L L83 and 6.2L L86 engines

Benefits:
Increased fuel flow allows higher power levels without having to resort to auxiliary fuel systems.
Direct fit replacement. No modifications required.
Stock appearing.
E85 compatible.
Can be combined with higher lift fuel pump lobes for even great flow rate increases.

Stock LT4 fuel pump lobe size 5.99 MM
Lingenfelter GT35 L210287515 fuel pump lobe 7.85 MM
Lingenfelter GT35 L210200215 fuel pump lobe 6.5 MM