Early Small Block Chev 168 Tooth 2 Piece Rear Main Seal Flexplate

Overview

Engineered for reliability under demanding conditions, this Aeroflow flexplate is designed for early small block Chevrolet builds that use a 2-piece rear main seal. With a precise 168-tooth configuration and internal balance, it keeps drivetrain vibrations low and ensures clean power transfer from engine to converter. Built for strength, it features extra thick material, double welding, and an anodised finish to deliver rugged, corrosion-resistant performance capable of handling the extreme power and RPM of modern performance engines.

Key Specifications

• 168-tooth flexplate with internal balance
• Outside diameter: 14" (355 mm)
• Designed for 2-piece rear main seal engines
• Two converter bolt patterns included: 10.5" and 11.5"
• Suitable for Small Block Chevy engines in the 305–350 range
• Compatible with 10.5" and 11.5" converter bolt circles
• Heavy-duty construction: extra thick material, double welded, anodised finish

Why this flexplate stands out

• Internal balance engineered for smooth operation at high RPM, reducing crank harmonics and protecting rear main seals
• Extra thick, double-welded construction provides lasting durability in street and strip applications
• Anodised surface offers enhanced corrosion resistance for longevity in varied environments
• Versatile bolt-circle options simplify installation across different converters
• Specifically matched for 2-piece rear main seal Small Block Chevy setups, minimizing fitment guesswork
• Ideal use cases include performance street cars and light competition builds using a 2-piece rear main seal

Applications & Compatibility

• Engines in the 305–350 cubic inch range requiring reliable, balanced power transfer
• Applications needing compatibility with both 10.5" and 11.5" converters without replacement parts