Cometic MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for today's high output engines and require no sealants
Exh 262° Valve lift with 1
12-Point Head S/Sfits GM LS Series
Completely self contained unit with no need for wiring of relays and switches
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JG31 Piston Ring Set - Standard Tension JJG31F8-4125-2 Safety Equipment Cometic MLS (Multi-Layer Steel) HeadJG31 Piston Ring Set Standard Tension4. 125" Bore, 1. 2mm Top Ring, 1. 5mm Second Ring, 3. 0mm Oil Ring JJG31F8 4125 2 G31F8 4125 2 Specifications Cylinders: 8 Bore: 4. 125" Alternate Bore: 104. 8mm Top Ring Height: 1. 2mm Top Ring Description (Material, Coating, Shape): Carbon Steel, Nitride, Barrel Face, Back Cut, Torsional Second Ring Height: 1. 5mm Second Ring Description (Material, Coating, Shape): Iron, Phosphate, Napier, Back Cut, Neutral Oil