HOLLEY LS1/LS2/LS3/LS6/L99 BILLET FUEL RAIL KIT FOR HI-RAM INTAKESHOLLEY LS1 LS2 LS3 LS6 LS7 L99 BILLET FUEL RAIL KIT FOR HI RAM INTAKES 534 204 OR 534 203 For use with Dual Quad, Cathedral Port Hi Ram, EFI Hi Ram, and Single Plane Intakes Includes: (2) Fuel rails that are high volume, configured with 16 O ring ports (AN 8) (4) 20 UNC x 1 3 4 Zinc plated long socket head cap screws (4) Washers measuring 1 4 x . 50 O. D x . 06 thick (4) spacers I. D. x O. D. x 3 8 thick

or simply for factory 6

not including the gasket

Supersedes GM part # 12678151

Stage 3 Camshaft Specs (BTR-LS7STAGE3): 237/25X

Rear Spring Hanger

IHC’s flip kit has the correct pinion angle built in so no need to use pinion shims

Injector Stem Diameter: 6mm

Mechman 370 Amp Elite Series Black Billet Alternator for 1999-2018 GM Truck (Silverado/Sierra)

Powerstroke

making it a direct-fit kit for 1999-2007 Silverado/Sierra 1500 model GM trucks (6-lug)

This is our most durable and adjustable option for the high hp street/track cars

extended cab