ACT 600140 Prolite Flywheel 240mm for 86-11 Mazda RX-7/RX-8 1.3L Manual

Regular price: $369.00
Regular price: ~~$456.00~~
Sale price: $369.00

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Product Specification:

SKU:ACT600140

MPN: 600140

UPC: 837055003775

Weight: 12.0 lb

Type: Flywheels

Vehicle Fitment

1986-1995 Mazda RX-7 (Turbo & NA, manual transmission)

2004-2011 Mazda RX-8 (1.3L rotary, manual transmission)

Fitment Notes

True Prolite lightweight flywheel (11.8 lb) - lowest inertia in ACT lineup

Requires matching ACT counterweight when used on manual 13B engines

Designed for performance/track use--may cause mild gear rattle and reduced drivability

Features

Forged 54SiCr6 chromoly steel - CNC-machined and FEA-balanced

Induction-hardened ring gear, serviceable and resurfaceable

SFI 1.1 certified, computer-balanced for high-RPM stability

One-piece design eliminates risk of insert separation or ring-gear shift

Immediate throttle response and acceleration from reduced rotational mass

Specifications

Material: Chromoly steel (forged)

Diameter: 240 mm (9.4"), 125-tooth

Weight: 11.8 lb (5.35 kg)

Engine Balance: Internal

SFI Rating: 1.1

Included Hardware: Flywheel bolts and counterweight bolts (M8)

Included Components

1x ACT XACT Prolite Flywheel (PN 600140)

Product Description

The ACT 600140 XACT Prolite Flywheel is ACT's lightest chromoly flywheel, designed for race and road-rally vehicles like the Mazda RX-7 and RX-8. At just 11.8 lb and 240 mm in diameter, it drops significant rotational mass to deliver sharper throttle response and quicker acceleration. Crafted from forged chromoly and CNC-balanced, it features an induction-hardened ring gear and SFI 1.1 certification for track use. Though it retains serviceability and drivability, expect typical gear clatter under light loads. Requires counterweight for rotary engines.