Overview Reviews Product Description Throttle Body - Power Plus - Stock Flange - 52 mm Twin Blade - Aluminum - Natural - LT-1 / Tuned-Port - Small Block Chevy - Each Product Videos Custom Field Product Reviews Write a Review Write a Review × BBK Twin 52mm Throttle Body 89-92 SBC 305/350 TPI Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *