{"product_id":"ford-cleveland-302-351-holden-v8-253-308-304-harmonic-balancer-bolt","title":"Ford Cleveland 302 351 \u0026 Holden V8 253 308 304 Harmonic Balancer Bolt","description":"\u003cdiv\u003e\n\u003ch2\u003eAeroflow Harmonic Balancer Bolt for Ford Cleveland \u0026amp; Holden V8\u003c\/h2\u003e\n\u003cp\u003eEngineered for Ford V8 Cleveland 302\/351 and Holden V8 253\/308\/304 engines, this Harmonic Balancer Bolt delivers a precise, high‑strength fastening solution for secure balancer installation and routine service.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaterial and strength: Aircraft‑quality 8740 high‑tensile chromoly steel, cold‑forged to ensure molecular integrity within the stud, rated up to 190,000 psi—stronger than Grade 8 and OEM fasteners.\u003c\/li\u003e \u003cli\u003eHead and drive: 12 Point Head with a high hex head design to help prevent socket slippage during engine rotation and servicing.\u003c\/li\u003e \u003cli\u003eThread, size, and fit: 5\/8-18\" thread; 5\/8\" spanner size; sold individually.\u003c\/li\u003e \u003cli\u003eTorque specification: Tighten to 110 ft‑lbs (149 Nm) for accurate, uniform balancer seating.\u003c\/li\u003e \u003cli\u003eDimensions: Overall length 65.95 mm; under head length 45.90 mm; head diameter 23.60 mm; shank diameter 9.30 mm; shank length 8 mm.\u003c\/li\u003e \u003cli\u003eWasher details: Ground washer outside diameter 49.8 mm; inside diameter 16.1 mm; thickness 7.05 mm; extra thick washer included to promote precise, consistent torque.\u003c\/li\u003e \u003cli\u003eCompatibility: Designed to suit Ford 351 Cleveland and Holden V8 engines with a harmonic balancer.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":47288114380970,"sku":"AF37-1401","price":36.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7829\/4698\/files\/s-l1600_a6b9b634-4f4a-409a-88e9-51a80b46f0ab.webp?v=1754025516","url":"https:\/\/tgmperformance.com.au\/products\/ford-cleveland-302-351-holden-v8-253-308-304-harmonic-balancer-bolt","provider":"TGM Performance Parts","version":"1.0","type":"link"}