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Product Summary

  • Perfect for installing new engine or transmission
  • Intended for two-piece rear main seal engines ONLY
  • Small Block Chevy
  • Non-SFI
  • 153 or 168 tooth

Key Specs

BrandSpeedway Motors
SFI RatingNot SFI-approved
Material TypeSteel

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Details

Flexplates

These non-SFI rated S/B Chevy automatic transmission flexplates are suggested whenever installing a new engine or transmission. These flexplates are for two-piece rear main seal engines ONLY.

  • (Internal balance, 153-tooth)
    • Dual bolt patterns, 9-3/4" and 10-3/4"
    • Flexplate O.D. 12-3/4"
    • Center Hole 2-1/2"
  •  (Internal balance, 168-tooth)
    • Dual bolt patterns, 10-3/4" and 11-1/2"
    • Flexplate O.D. 14.09"
    • Center Hole 2-1/2"

Make sure you choose the correct flywheel for your application by reading our tech article. Small Block Chevy - How to Choose a Flexplate.

 

ARP Bolts

Flexplate bolts play an important role in the performance and safety of race cars and street machines alike. That’s why the fastener experts at ARP develop special bolts that are far superior to OEM hardware. Forged from aerospace alloy and heat-treated prior to thread rolling and machining.

Fits Chevrolet 90° V6 & 265-454 Chevy V8 with 2-Pc rear seal. Set of 6 bolts.

  • Exclusive, flat, 12-point head design
  • Larger than stock shank diameter for increased strength and improved flexplate register
  • Originally developed for NASCAR Winston Cup competition
  • 0.24" Bolt head thickness
  • 200,000 psi rating

Specifications

KEY SPECS
BrandSpeedway Motors
SFI RatingNot SFI-approved
Material TypeSteel
GENERAL
Outside Diameter
Tooth Count
Torque Converter Bolt Circle
Hole Diameter2.50"
Weight
FinishNatural
Sold in QuantityKit
Notes