Competition Clutch Competition Clutch 86-88 Mazda RX7 Counterweight w/ Bolts
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Competition Clutch 86-88 Mazda RX7 Counterweight w/ Bolts

COMPCW-MZD-02
887753965479
Hardware - Singles
20+ Units In Stock - Ships Next Business Day
$ 175.00
$ 175.00

SKU: PCW-MZD-02 | UPC: 887753965479

Competition Clutch Counterweight for 1986-1988 Mazda RX-7 Turbo w/ Bolts

This Competition Clutch counterweight balances the eccentric shaft in Wankel rotary engines of 1986-1988 Mazda RX-7 Turbo models. It pairs with lightweight or ultra-lightweight flywheels like 2-745-ST or 2-745-STU for reduced vibrations and faster revs. Made from 4140 billet Chromoly steel, it handles high-horsepower street and track use.

Key Features

  • Material: 4140 one-piece billet Chromoly steel provides strength and resists wear in forced induction and high-rpm setups.
  • Balance Design: Counters eccentric shaft for precise rotation, cutting vibrations and improving power transfer in rotary engines.
  • Compatibility: Works with Competition Clutch flywheels 2-745-ST (lightweight) and 2-745-STU (ultra-lightweight) for seamless drivetrain upgrades.
  • Weight: 3.67 lbs (1.67 kg) maintains low rotational mass for quicker throttle response.
  • Hardware Included: Six M8-1.0 x 20mm bolts ensure secure mounting without extra parts.

Product Notes

  • Required when replacing OEM flywheel with Competition Clutch lightweight or ultra-lightweight versions. not for stock flywheels.
  • Designed for 1.3L Turbo (13B) rotary engines in FC chassis RX-7 Turbo models.
  • 90-day limited warranty covers defects in material and workmanship.

Installation Notes

  • Professional installation recommended.
  • Remove OEM integrated counterweight during flywheel replacement.
  • Uses included M8-1.0 x 20mm bolts. torque to manufacturer specs for rotary eccentric shaft.

This Part Fits

Year Make Model Submodel
1986-1988 Mazda RX-7 Turbo
1986-1988 Mazda RX-7 GXL
1986-1987 Mazda RX-7 Base
1987 Mazda RX-7 Base 2+2
1987-1988 Mazda RX-7 GXL 2+2
1987 Mazda RX-7 LX
1987 Mazda RX-7 LX 2+2
1988 Mazda RX-7 10th Anniversary
1988 Mazda RX-7 Convertible
1988 Mazda RX-7 GTU
1988 Mazda RX-7 SE
1988 Mazda RX-7 SE 2+2
1987 Mazda RX-7 Sport

Why Choose Competition Clutch?

  • Leading name in performance clutches and flywheel systems for rotary engines.
  • Uses premium materials like 4140 Chromoly for durability in racing conditions.
  • Precision CNC machining ensures exact fit and balance for RX-7 applications.

Frequently Asked Questions

  • Q: Is this counterweight required for all FC RX-7 flywheel swaps?
    A: Yes for Competition Clutch lightweight or ultra-lightweight flywheels on 1986-1988 models. OEM flywheels have integrated balance.
  • Q: What material is used and why?
    A: 4140 billet Chromoly steel for high strength, low weight, and resistance to high-rpm stress in turbo rotary engines.
  • Q: What warranty is provided?
    A: 90-day limited warranty from Competition Clutch Inc. against defects in material or workmanship.

Shipping & Handling

  • Method: UPS Ground or USPS Priority
  • Availability: In stock - ships same or next business day
  • Packaging: Securely boxed for protection during transit
  • Weight: 3.67 lbs

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