Check the listing for details. ARP 134-2501 Damper Harmonic Balancer Bolt for Chevy Small Block 305 327 350 400. Condition: New. Listed at 33.98 USD. Harmonic Damper Bolt Kit Chevrolet Small Block Kit #: 134-2501 SpecificationsSocket Size(s)5/8 12ptUHL2.470˝Thread Size7/16-20washer includedYes ARP 134-2501 Damper Harmonic Balancer Bolt Kit Chevy Small Block 305 327 350 400 Harmonic Damper Bolt Kit Chevrolet Small Block Kit #: 134-2501 SpecificationsSocket Size(s)5/8 12ptUHL2.470˝Thread Size7/16-20washer includedYes California Prop 65 Warning: This product contains a chemical known to the State of Cal.. UPC: 672036001728 MPN: 134-2501 Manufacturer Part Number: 134-2501 Brand: ARP (Automotive Racing Products) Warranty: Unspecified Length Shipping Items are shipped within 24 hours of purchase Monday-Friday.Payments We accept all major credit cards Returns Returns can be opened via ebay within 30 days of purchase date. ARP 200-2402 Carb Carburetor Studs Kit w/ 1" Spacer 5/16-18/24 x 2.700" Length $25.00 Head Dowel Pins Camshaft Bolts Crankshaft Key - Chevrolet SBC 305 327 350 400 $13.24 Harmonic Balancer Bolt 12pt 7/16"-20 2.470" Black for Chevy SBC 265 305 350 $16.95 ARP 256-1001 M12 Camshaft Sprocket Bolt for Ford 4.6L Modular $22.18 ARP 200-2403 5/16" Carb Carburetor Studs Kit w/ 1/2" Spacer $21.94 ARP 135-2002 Intake Manifold Bolts Set for Chevrolet Big Block $43.99 ARP 230-7002 12pt Oil Pump Stud Kit for Chevrolet Chevy SBC V8 305 350 383 400 $12.08 Earl's Hardened Balancer Bolt w/ Washer for GM Gen III IV LS 4.8L 5.3L 6.0L 6.2L $37.50 GM 12557840 Harmonic Balancer Bolt for 1997 UP LS Engines 4.8 5.3 5.7 6.0 6.2 $15.98 ARP 230-7004 HV Oil Pump Stud Kit for Chevrolet SBC 305 350 383 400 $11.85