Check the listing for details. Harmonic Balancer Bolt 12pt 7/16"-20 2.470" Black for Chevy SBC 265 305 350. Color: Black, Condition: New. Listed at 16.95 USD. Our damper bolt kits will ensure that your balancer is locked into position. They feature a 1/4 in. thick wide-area washer and an extra-tall, 12-point head that accepts a deep socket to eliminate the fear of stripping the head. Thread Size:7/16-20 in. RH Underhead Length (in): 2.470 in. Head Style: 12-point Washer Included: Yes Fastener Yield Strength (psi): 200,000 psi Fastener Material: Chromoly Fastener Finish:Black oxide Harmonic Balancer Bolt 12pt 7/16"-20 2.470" Black for Chevy SBC 265 305 350 Our damper bolt kits will ensure that your balancer is locked into position. They feature a 1/4 in. thick wide-area washer and an extra-tall, 12-point head that accepts a deep socket to eliminate the fear of stripping the head. Thread Size:7/16-20 in. RH Underhead Length (in): 2.470 in. Head Style: 12-point Washer Included: Yes Fastener Yield Strength (psi): 200,000 psi Fastener Material: Chromoly Fastener Finish:Black oxide Our damper bolt kits will ensure that your balancer is locked into position. They feature a 1/4 in. thick wide-area washer and an extra-tall, 12-point head that accepts a deep socket to eliminate the fear of stripping the head. Thread Size:7/16-20 in. RH Underhead Length (in): 2.470 in. Head Style: 12-point Washer Included: Yes Fastener Yield Strength (psi): 200,000 psi Fastener Material: Chromoly Fastener Finish:Black oxide Performance Part: Yes Interchange Part Number: ATI 951501, Milodon 84500, Milodon 84530 ARP 134-2501 Type: Harmonic Balancer Features: Heavy Duty Color: Black Manufacturer Part Number: AMSCB2501 Fitment Type: Performance/Custom Placement on Vehicle: Front Brand: AMS Racing Items Included: Bolts 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 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 ARP 134-2501 Damper Harmonic Balancer Bolt Kit Chevy Small Block 305 327 350 400 $33.98 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