S Series 240 amp Racing alternator for 63-85 GM - 1 wire - BLACK ANODIZED Pacifica Apply using our Contact Spray

Apply using our Contact Spray Adhesive (1 can per sheet) or Super Strong Double Sided Tape

Works with most head unit / amplifier combinations

read our article or download the Second Skin Damplifier Pro Install Guide PDF

75 inch diameter pulley on this unit will yield 140+ amps at just 800 engine idle RPM with a 6 inch crankshaft pulley

S Series 240 amp Racing alternator for 63-85 GM - 1 wire - BLACK ANODIZED Pacifica Apply using our Contact SprayThe S series of 6 phase alternators offers incredible low RPM output in a compact and durable package. Highly efficient, these units use less horsepower than conventional 3 phase alternators. 12 diodes, twin rectifier plates and outstanding airflow ensure much better durability than standard Delco based alternators, even in severe conditions. This custom designed housing directly replaces standard Delco 10DN, 10SI and 12SI alternators on most 1963