Home › Cams › Brian Tooley Racing 400+ Big Twin Turbo

Brian Tooley Racing 400+ Big Twin Turbo cam: specs, price & owner results

246/26X .619"/.619" 115 LSA

We may earn a commission when you buy through links on this page.

SpecValue
Part numberBTR-BTT400+
EngineGen III/Gen IV LS
ApplicationTWIN TURBOCHARGED
StyleHYDRAULIC ROLLER
Cam boltTHREE BOLT
Duration @ .050 (int/exh)246 / 26X
Lift (int/exh).619 / .619
LSA115.0
Idleultra-aggressive
Displacement range400–427 ci
Turbo/boostsingle 102-106mm turbo
Price$409.99 (Brian Tooley Racing, 2026-09-29)

Check current price at Brian Tooley Racing

Vendor-claimed power: ["2000 rwhp"]

Tuning checklist
  • Tune: Aftermarket cams need idle, fuel, spark and torque-model changes.
  • Idle: Ultra-aggressive
  • Cam gear: Three bolt
From the cam maker's description and our cam tuning guide. Confirm with your tuner. What else does the tune need? →

← All cams in the cam finder