Engine & Performance Warehouse 34805700 Forged 4340 Steel Crankshaft for Small Block Chevy 350

The Engine & Performance Warehouse 34805700 is a high-performance forged 4340 steel crankshaft designed for Small Block Chevy 305/350 applications with a 2-piece rear main seal. This premium crankshaft features a 3.480" stroke and is engineered for demanding performance builds requiring superior strength and durability.

Key Features:

• Forged from premium 4340 steel using non-twist forging process for maximum strength
• .125" fillet radiuses on rod and main journals for superior stress resistance (chamfered/narrowed bearings required)
• Nitrided surface treatment and micropolished to less than 2 RA for reduced friction and wear
• 2.450" main journals and 2.100" rod journals with precision grinding
• Internal balance design requires neutral balance flexplate and harmonic balancer
• 1855 gram bobweight with tight tolerances to minimize balancing time
• Minimum rod length of 5.700" required
• Rated to support up to 1500 horsepower in high-performance applications

This crankshaft is intended for the most demanding racing and performance applications where strength and reliability are critical. The 4340 steel construction and precision manufacturing ensure consistent performance under extreme conditions. Note that this crankshaft must be balanced to match your specific rods and pistons before installation.