Holley LS EFI Manifold - 2x4 Dual Plane - Black - 300-121BK thermal-choke-control-line OEM - 15283581

OEM - 15283581

2L V8 1968 - 1974 Plymouth Satellite 318/5

6L V8 1968 - 1969 Buick Sportwagon 400/6

1970-1972 Chevrolet Chevelle

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Holley LS EFI Manifold - 2x4 Dual Plane - Black - 300-121BK thermal-choke-control-line OEM - 15283581Overview: Holley EFI 2x4 Dual Plane Intake Manifold, LS Gen 3 LS1 LS2 LS6 engines Features: The Holley GM LS1 LS2 LS6 2x4V dual plane was designed in the tradition of the great dual Holley 4160 induction systems that competed on drag strips, in Trans Am and at Lemans in the 1960s. The technology of the LS pushrod engine is now mated with the im The dual plane equal distribution layout produces great mid range torque without compromising top end power.