BIG BORE GM LT4 HPFP 2016+ Camaro 2014+ Corvette LT1/LT4 GEN V LTx Engines

Code: L710156914

$1,735.00

1 in stock (can be backordered)

1 in stock (can be backordered)

Description

-High horsepower GM Gen V V8 and V6 direct injection engines including LT4, LT1, L86, L83 and LV3
-E85 conversions of GM Gen V V8 and V6 engines
-2014-2017 C7 Corvette LT1
-2015-2017 C7 Z06 Corvette LT4
-2016-2017 Camaro SS LT1
-2016-2017 CTS-V LT4
-2014-2017 Silverado & Sierra with 4.3L LV3, 5.3L, L83,6.2L, L86 engines
-2015-2017 Suburban, Tahoe, Yukon & Escalade with 5.3L, L83, 6.2L, L86 engines

Description:
Mechanical fuel pump flow has been one of the primary limiting factors for the aftermarket when trying to increase the power output of the GM direct injection V8 engines. The Lingenfelter Big Bore direct injection fuel pump for GM Gen V V8 applications provides an increase in fuel flow capacity over the stock LT1/L86 and LT4 fuel pumps, expanding the range of performance of these engines. At 12.0 mm in bore size, the Lingenfelter Big Bore pump flows over 30% more than the stock L86 & LT1 pump and nearly 10% more than the LT4 pump

Tested to provide over 1,100 horsepower of fuel flow for a turbocharged LT4 engine on gasoline and nearly 900 hp of fuel flow for the same engine on E85

Features:
-Precision machined and assembled fuel pump assembly using brand new production LT1 fuel pump cores
-12.0 mm diameter bore size
-DLC coated bore and piston
-Compatible with production LT1 and LT4 fuel pump lobes and with aftermarket higher lift fuel pump lobes
-100% hot tested pump assemblies to confirm performance and functionality

Benefits:
-Over 30% more fuel flow than the stock L86 and LT1 fuel pump
-Nearly 10% more fuel flow than the stock LT4 fuel pump
-Increased fuel flow allows higher power levels without having to resort to auxiliary fuel systems
-Direct fit replacement with no modifications required
-Stock OE look externally
-E85 compatible
-Can be combined with higher lift fuel pump lobes for even great flow rate increases

Some aftermarket higher lift fuel pump camshaft lobe designs may require a lash cap to compensate for the smaller camshaft base circle
Some aftermarket higher lift fuel pump camshaft lobe designs may require a higher load spring on the pump to maintain fuel pump lifter control

 

  • Must have Upgrade to increase volume and pressure on LT1 and L83 (GenV) engines for forced induction and e85 applications
  • Pair with a set of LT4 Injectors or 30+ Injectors and or In-Tank Pump for the ultimate OEM+ bolt on fueling upgrade.
  • LT4 (GEN V) high pressure fuel pump to rail pipe available separately (recommended).

Additional information

Weight 8 lbs
Dimensions 10 × 6 × 8 in

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