Howards Hydraulic Lifters - Chevy V8 25-454 Instrument Light Hedman Hedders Exhaust Hedder Gasket

Hedman Hedders Exhaust Hedder Gasket 27500 Round

maximum advance or retard

Integrated ignition timing control improves idle stability

Precision Machining: High Performance manufacturing tolerances are closer to control installed oil clearances

Howards Hydraulic Lifters - Chevy V8 25-454 Instrument Light Hedman Hedders Exhaust Hedder GasketThe Max Effort high output lifters were designed specifically for higher revving applications. Perfect for race applications which require a hydraulic lifter or high performance street applications that need an extra edge. These lifters can show a noticeable increase of power from 5, 000 rpm and up. Important: pre load must be set at . 002" . 004" (warm) to achieve performance levels. The name Howards Cams has been synonymous with high performance