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Howards Cams Reaper Billet Steel Crankshafts 45445006535
Part Number: HRS-45445006535
Howards Cams Reaper Billet Steel Crankshafts
Crankshaft, 2-Piece Seal, Internal Balance, 4340 Forged Steel, 4.50 in. Stroke, Standard Snout, Chevrolet, Big Block, Each
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Estimated Ship Date: Oct 22, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
45445006535
Part Type:
Product Line:
Summit Racing Part Number:
HRS-45445006535
Engine Stroke (in.):
4.500 in.
Crankshaft Material:
Forged 4340 steel
Engine Balance:
Internal
Rear Main Seal Style:
2-piece
Lightened:
No
Requires Narrow Bearings:
Yes
Rod Bearings Included:
No
Main Bearings Included:
No
Crankshaft Snout Style:
Standard
Weight:
80.000 lbs.
Quantity:
Sold individually.
Howards Cams Reaper Billet Steel Crankshafts
Howards Cams Reaper billet steel crankshafts are more robust than most because they have a uniform and non-stress grain structure. These cranks start with E4340 aircraft-quality bar stock material and are precision CNC-machined. They feature bearing journals with large fillet radii (chamfered bearings required) and weight-reducing holes in all rod journals. Reaper crankshafts are available for fitment in a variety of big block applications.
Additional product details:
* Computer-designed center counterweights for reducing bearing loads and improved balance
* Fully stress-relieved and shot-peened
* Nitrided for superior wear-resistance
* Rod and main bearing journal surfaces are micro-polished
* Double keyways for dampers
Applications
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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