Carburetors & Accessories - Accessories

Calibration Kit for #EDE1409 on a 4.3L V6

Each kit includes one pair of metering rod retaining springs and assorted pairs of metering rods, metering jets, and step-up springs.

High Flow Needles and Seats (pair)

Off-Road Needles and Seats (pair)

Step-Up Spring Assortment (5 pair)

Pair of Stainless Steel Throttle Return Springs

These stainless steel throttle return springs are universal. Can be used in numerous applications. These springs measure 5" in length and 1/2" in OD. They can be trimmed to length.

Holley LS Hi-Ram EFI Manifold

• Runner Length – 6.29”, As-Cast Runner Cross-Sectional Area – Tapered 4.67in² to 2.84 in²
• Throttle Body Flange Location, with 92/102mm EFI Plenum Top : Height – 8.42” (from engine block lifter valley cover flange), Longitudinal Location – 3.84” (forward from engine block front flange), Angle – 25 deg. (down from vertical)
• Plenum Top Gasket Type – 3/32” Round O-ring Cord
• Mounting Flange Gasket Type – Standard LS3 Molded O-Ring
• Port Size – 2.49” Height x 1.21” Wide
• Total Height with 92/102mm EFI Plenum Top – 12.32” to the lifter valley cover flange on engine block.
• Base Plenum Top Mounting Flange Height – 8.42” to the lifter valley cover flange on engine block.

Single-Stage Power Valve

Single-Stage Power Valve Standard Flow 2.5 in. Hg

Single-Stage Power Valve

Single-Stage Power Valve Standard Flow 5.0 in. High

Single-Stage Power Valve

Single-Stage Power Valve Standard Flow 5.5 in. High

Single-Stage Power Valve

Single-Stage Power Valve Standard Flow 7.5 in. High

Single-Stage Power Valve

Single-Stage Power Valve Standard Flow 8.5 in. High