Overview

Howards Cams Roller Lifter Retro-Fit Installation Kits

Howards Cams roller lifter retro-fit installation kits are a set of components, primarily steel lifter guides and retainers, designed to allow you to install modern hydraulic roller camshafts and lifters into older small block Ford engines that originally used flat-tappet cams. They enable better performance, reduced friction, and easier maintenance without major block machining.

Kit 90142 includes essential hardware like lifter guides and retainers to manage the roller lifters, which require different hold-down mechanisms than stock flat tappets to prevent them from spinning.

Product details:

* Retrofit solution: Allows installation of hydraulic roller lifters in engines not originally designed for them
* Key components: Contains steel lifter guides (lifter "dog bones" or retainers) that fit into the non-roller block's
lifter valley
* Performance upgrade: Provides benefits of roller cams (more lift, better response) with hydraulic ease
* Prevents lifter spin: The guides keep the roller lifters stationary, preventing damage, unlike older blocks where lifters could rotate
* The 90142 kit simplifies converting your classic Ford small block to a modern, efficient roller valvetrain system

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