Holley Fast Idle Choke Cam. This new part is used on following Holley carbs; list # 3139, 3140, 3230, 3245, 3246, 3247, 3267, 3268, 3370, 3417, 3418, 3419, 3420, 3605, 3606, 3607, 3608, 3609, 3613, 3660, 3806, 3807,3810, 3811,3814, 3815, 3836, 3837, 3838, 3839, 3888, 4053, 4054, 4055, 4056, 4144, 4296, 4346, 4374, 4375, 4376, 4391, 4392, 4489, 4490, 4491, 4492, 4493, 4554, 4555, 4556, 4558, 4559, 4669, 4670, 4782, 4791, 4792, 4815, 4830, 6106, 6197, 6198, 6403, 6404, 6647.
