# Banks Power 01-04 Chevy 6.6L Big Head Actuator Kit Under high-boost conditions, the stock actuator's weak spring allows the wastegate to blow open, limiting midrange torque. Bleed orifices (also known as "boost foolers") just make it worse. Only Banks solves this problem by replacing the boost actuator. BigHead holds the wastegate closed for quicker boost, then controls the opening to maintain peak boost for superior acceleration and mid-range pulling power. BigHead Wastegate Actuator Kit for use with 2001-2004 Chevy 6.6L. Power Now! When turbo exhaust backpressure increases, the stock actuator prematurely blows off the seat, softening boost in the midrange and killing torque. With twice the diaphragm area and spring pressure of the stock wastegate, Banks BigHead Wastegate Actuator keeps the valve seated longer and achieves a higher peak boost, sooner. At peak, BigHead opens the wastegate and holds its position, for precise boost control that gives you crisp acceleration and more mid-range pulling power. Key Features: Quick, Controlled Boost. Produces massive torque right from idle. Doubles stock's diaphragm area and spring pressure. Keeps the valve seated longer achieving higher peak boost, sooner. Crisp acceleration and more mid-range pulling power. Fits LB7 engine - For higher peak boost, sooner - More Mid Range Muscle This Part Fits: Year Make Model Submodel 2001-2004 Chevrolet Silverado 2500 HD Base 2001-2004 Chevrolet Silverado 2500 HD LS 2001-2004 Chevrolet Silverado 2500 HD LT 2004 Chevrolet Silverado 2500 HD WT 2001-2004 Chevrolet Silverado 3500 Base 2001-2004 Chevrolet Silverado 3500 LS 2001-2004 Chevrolet Silverado 3500 LT 2004 Chevrolet Silverado 3500 WT 2002-2004 GMC Sierra 2500 HD Base 2001-2002 GMC Sierra 2500 HD SL 2001-2004 GMC Sierra 2500 HD SLE 2001-2004 GMC Sierra 2500 HD SLT 2003-2004 GMC Sierra 2500 HD WT 2002-2004 GMC Sierra 3500 Base 2001-2002 GMC Sierra 3500 SL 2001-2004 GMC Sierra 3500 SLE 2001-2004 GMC Sierra 3500 SLT 2004 GMC Sierra 3500 WT ## Details - **Price:** 314.65 CAD - **Vendor:** Banks Power - **Type:** Wastegate Actuators - **Tags:** ClearanceItem:N, Core:N, CorePrice:0, EPA:N/A, fits_2001-2004`Chevrolet`Silverado 2500 HD`Base~2001-2004`Chevrolet`Silverado 2500 HD`LS~2001-2004`Chevrolet`Silverado 2500 HD`LT~2004`Chevrolet`Silverado 2500 HD`WT~2001-2004`Chevrolet`Silverado 3500`Base~2001-2004`Chevrolet`Silverado 3500`LS, fits_2001-2004`Chevrolet`Silverado 3500`LT~2004`Chevrolet`Silverado 3500`WT~2002-2004`GMC`Sierra 2500 HD`Base~2001-2002`GMC`Sierra 2500 HD`SL~2001-2004`GMC`Sierra 2500 HD`SLE~2001-2004`GMC`Sierra 2500 HD`SLT~2003-2004`GMC`Sierra 2500 HD`WT, fits_2002-2004`GMC`Sierra 3500`Base~2001-2002`GMC`Sierra 3500`SL~2001-2004`GMC`Sierra 3500`SLE~2001-2004`GMC`Sierra 3500`SLT~2004`GMC`Sierra 3500`WT, Forced Induction>Wastegate Actuators, LTL:N, MPN:24396, Non-CARB:Y, Prop65:Y, SpecialOrder:Y, TURN14_ID:4379435 ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 314.65 CAD | In stock | ## Images - Photo - Primary - Photo - Primary - Photo - Unmounted - Photo - out of package - User 4 --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/banks-power-01-04-chevy-6-6l-big-head-actuator-kit) > Updated: 2026-06-26