When your Holley performance carburetor is due for a performance rebuild, it’s time to get the HolleyTrick Kit, P/N 37-933 . This Holley Trick Kit contains all the parts that you’ll needto perform a complete carburetor rebuild on your Holley vacuum secondary or double pump carburetor . Plus it’s got extra parts relatedto carburetor calibration thatare required to accomplish a real performance tune. These include accelerator pump discharge nozzles, acceleratorpump cams, vacuum secondary springs and extra gaskets. A carburetor exploded view and adetailed tuning guide is also included. The packaging servesas a handy parts tray. This Holley Trick Kit has it all.

HO37-933 Services carburettors below:

R1848-1,R1849, R1850-2, R1850-3, R1850-4, R1850-5, R2818-1, R3124, R3247, R3310-1, R3310-2, R3310-3, R3310-4, R3310-5, R3310-5, R3310-6, R3367, R3370, R3418, R3613, R3659, R3660, R3807, R3810, R3811, R3910, R4053, R4055-1, R4056-1, R4118, R4144-1, R4224, R4235, R4236, R4295, R4296, R4346, R4365-1, R4412,R4412-1, R4412-2, R4412-3, , R4452-1, R4490, R4514-1, R4548, R4555, R4575, R4609, R4628, R4647, R4653, R4670, R4672, R4742, R4776, R4776-1,R4776-2, R4776-3, R4776-4, R4776-5, R4776-6, R4777, R4777-1, R4777-2, R4777-3, R4777-4, R4777-5, R4777-6, R4778, R4778-1, R4778-2, R4778-3, R4778-4, R4778-5, R4778-6, R4779, R4779-1, R4779-2, R4779-3, R4779-4, R4779-5, R4779-6, R4779-7, R4779-8, R4780, R4780-1, R4780-2, R4780-3, R4780-4, R4780-5, R4780-6, R4781, R4781-1 R4781-2, R4781-3, R4781-4, R4781-5, R4781-6, R4781-7, R4782, R4783 R4788, R4788-1, R4790, R4791, R4792, R4800-1, R4801-1, R4802-1, R4803-1, R6109, R6129, R6210-1, R6210-2, R6210-3, R6211, R6211-1, R6212, , R6213, R6238-1, R6239-1, R6262, R6270-1, R6291, R6299-1, R6464, , R6468-1, R6468-2, R6497, R6498, R6512, R6520, , R6528, R6619-1, R6708, R6708-1, R6709, R6710, R6711, R6772, R6773, R6774, R6853, R6895, R6909, R6910, R6919, 66979, R6979-1, R6989, R7001, R7002-1, R7004-1, R7004-2, R7005-1, R7005-2, R7006-1, R7006-2, 7009-1, R7010, R7053-1, R7054, R7154, R7320, R7320-1, R7351, R7397, R7410, R7411, R7413, R7448, R7855, R7985, R7986, R7987, R8004, R8005 R8006, R8007, R8059, R8059-1, R8060, R8060-1, R8082, R8082-1, R8082-2, R8156, R8162, R8181, R8276, R8302, R8546, ,R8679, R8700, R8804, R8879, R8896, R8896-1, R9002, R9040, R9188, R9210, R9219, R9254, R9375, R9375-1, R9377, R9377-1, R9377-2, R9379, R9380, R9381, R9645, R9646, R9647, R9776, R9834, R9834-1, R9834-2, R9837-3, R9895, R9923, R9948, R9976, R80095, R80098, R80099,R80111, R80112, R80120, R80128, R80133, R80134, R80135, R80136, R80137, R80139, R80145, R80155, R80163, R80164, R80165, R80166, R80169, R80186, R80186-1, R80431, R80432, R80436, R80450, R80452, R80453, R80454, R80457, R80457-1, R80457-2, R80460, R80496, R80496-1, R80497, R80498, R80498-1, R80507, R80508, R80508-1, R80509, R80511, R80512, R80513, R80514, R80519, R80528, R80528-1, R80529, R80529-1, R80531, R80532, R80533, R80535, R80535-1, R80540, R80541, R80542, R80555, R80556, R80570, R80572, R80573, R80574, R80575, R80576, R80577, R80578, R80670, R80670-1, R80672, R80673, R80674, R80675, R80676, R80770, R80770-1, R80776, R80777, R80778, R80779, R80708, R80781, R80783, R80870, R81570, R81670, R81770, R81850, R82750, R82751, R83310, R83310-1, R83311, R83312, R84412, R84776, R84777, R84778, R84779, R84780, R84781, R87448, R89834, R83670, R83770, R85670, R85770