T&D Machine Sport Comp Shaft Mounted Rocker Arm Kit - SB Chevy - 1.60/1.50 Ratio 121000 MSD's Spark Guard is a

MSD's Spark Guard is a dielectric grease that solves many common ignition problems

32 x 20 Spline Ball End

The oil pump screen mounting seal is included

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T&D Machine Sport Comp Shaft Mounted Rocker Arm Kit - SB Chevy - 1.60/1.50 Ratio 121000 MSD's Spark Guard is aHigh Quality, affordable Rocker Sets for the budget conscious racer. T&D Machine Products offers a shaft rocker system that incorporates many design features of their premium product at a price comparable with stud mount rockers that requires guide plates, girdle and hardware that go with them. Sets of 16 include all installation hardware. T&D manufactures rocker arm systems for over 400 cylinder heads and its products have established a reputation