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1979-95 Mustang Scat 331 Stroker Kit - Flat Top Pistons, I Beam Rods by Scat Enterprises


1979-95 Mustang Scat 331 Stroker Kit - Flat Top Pistons, I Beam Rods
1979-95 Mustang Scat 331 Stroker Kit - Flat Top Pistons, I Beam Rods
Mustang Scat 331 & 347 Stroker Kits (79-95)

Make more horsepower in your 1979-1995 Mustang motor with this Scat 331 stroker kit!

Item #SCA-194055
MPN# 1-94055

Everyday Low Price: $1,139.99

Out of Stock
This item is not eligible for discounts or coupon codes.
 This item is returnable. Details


This product cannot be sold or shipped to the state of California. More Details
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 Benefits

  • Larger Cubic Inch Displacement
  • Complete Kit With Rings & Bearings
  • Great Foundation For Street Performance Build

 Features

  • 5.4" Rod Length
  • 3/8" Cap Screws
  • ARP 8740 Rod Bolts
  • Forged .030 Pistons
  • Flat-Top Piston Design
  • Pro-Stock I-Beam Rods
  • 3.250" Stroke Series 9000 Cast Crankshaft

 What's in the Box

  • (8) Forged Flat-Top Pistons
  • (8) Pro-Stock I-Beam Rods
  • (1) Series 9000 Cast Crank
  • (1) Main Bearing Set
  • (1) Rod Bearing Set
  • (1) Piston Ring Set

Scat 331 Stroker Kit
This rotating assembly will take your mild mannered 302 to a heavier hitting 331 in your 1979-1995 Mustang. A Series 9000 cast steel crankshaft offers a 3.250" stroke & swings a set of bushed 5.4" long Pro-stock I-beam rods featuring ARP 8740 3/8" capscrews. For maximum power and reliability, Scat adds a set of rod and main bearings and tops it off with a set of Forged pistons & rings. These Scat Street Strip rotating assemblies are designed to be used with 28oz. balance flywheel/flexplate and harmonic balancer but will still need to be balanced.

Compression Ratio Calculator:
9.5:1 w/54cc
9.0:1 w/58cc
8.4:1 w/64cc

This product is intended for off-road use only, and is not legal for use in emission restrictive states. Off-Road Disclaimer


Scat Enterprises Warranty - Click Here

  • Ford Mustang - 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995
Fitment Notice
  • This kit comes un-balanced and must be balanced with your supplied balancer and flywheel/flex-plate.
  • Flat top pistons have valve reliefs made onto them.
  • Icon Piston with -11CC Valve Reliefs.

Mustang Scat 331 & 347 Stroker Kits (79-95)

Check out our YouTube channel for even more tech tips, installation videos, how-tos, and more. The best place to go for anything Mustang related!


California Residents:
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About This Brand


Scat Enterprises
Scat enterprises was founding in the early 1960's by Tom Lieb. Since then, Scat has researched and developed aftermarket performance engine parts for a variety of different cars. Ranging from pistons, connecting rods, crankshafts, stroker kits, forged rotating assemblies, and many more engine internal, Scat has set the bar high within the automotive industry. They pride themselves in the high quality products the supply and the excellent customer service they are known for. Shop LatemodelRestoration.com to get your stroker kits and rotating assemblies to get your Mustang putting down serious horsepower.