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COMP Cams Ultra Pro Magnum XD Rockers w/ 1.7 Ratio for Chevrolet Big Block w/ 7/16 Stud
For Big Block Chevrolet applications 1.7 inches ratio; 7/16 inches stud Machined billet pushrod seat insert 8650 steel construction outlasts and outperforms other rockers in accuracy and strength Ultra Pro Magnum XD rocker arm bodies are guaranteed against breakage for life Manufacturer Comp Cams, Brand Comp Cams, Model Weight 9.88 pounds, Dimensions 12.8 x 4 x 3.8 inches, Country of Origin USA, model number Is Discontinued No, Manufacturer Part OEM Part N, Rank Automotive Automotive Replacement Engine Rocker Arms 96, Available February 12, 2011

Price is $557.00
Price: $556.95