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Metering Rod Size
The harnesses plug in between the ignition coil and the factory coil connector
Requires use of LS3 dipstick (GM part number 12634547) and tube (GM part number 12625031)
Marine Use:
Fits squarebore or spreadbore intake manifolds
Chev GM Tuff Stuff One-Wire Alternator 100amp Black Chrome # TUFF-7139ABULL7 Rate_12 Metering Rod SizeChev GM Tuff Stuff One Wire Alternator 100amp Black Chrome # TUFF 7139ABULL7 Product Features Single Groove Pulley Black Chrome Made In The U. S. A. Additional Information: Silver Bullet Alternator 100 AMP OEM Or 1 Wire V Groove Pulley 4. 85 in. Case Depth Lower Mount Boss 2 in. Long Black Chrome
