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Brian Tooley Racing Gen V 4" Stroke Supercharged cam: specs, price & owner results
233/25X, .648"/.648", 115 LSA
An X in a spec is a digit the cam maker does not publish (22X means somewhere from 220 to 229). We show it as text and leave it out of number filters and sorting.
| Spec | Value |
|---|---|
| Part number | BTR-GENV4INSCPDS |
| Engine | Gen V LT |
| Application | SUPERCHARGED - ROOTS/CENTRI |
| Style | HYDRAULIC ROLLER |
| Cam bolt | SINGLE BOLT |
| Duration @ .050 (int/exh) | 233/25X (exhaust not published: the maker gives only the first digits, so exhaust 250–259°) |
| Lift (int/exh) | .648/.648 |
| LSA | 115.0 |
| Displacement range | 400–416 ci |
| Price | $459.99 (Brian Tooley Racing, 2026-09-29) |
Parts to install it: cam bolt; pushrods (measure for length first); timing cover gaskets (the front cover comes off to change the cam); timing chain (replace it on a high-mileage engine or with a big cam); valve springs (.660 in. lift) — stock springs aren't made for this cam. More: how to pick valve springs for a cam.
Check current price at Brian Tooley Racing.
- Tune: Aftermarket cams need idle, fuel, spark and torque-model changes.
- AFM engines: PCM must be recalibrated to stop commanding deactivation.
- Cam gear: Single bolt
Build a turn-on tune sheet for this cam → Idle and spark starting values, from real tunes. Always finish on a dyno.
New Already running this cam? Send us your tune and we'll compare it with similar builds and tunes we've reviewed. Get a Tune Report → $19, free while we launch.