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The KORE3 Ø325mm Big-Brake Kit for the 1982-1992 GM F-body application adapts high-performance, high-quality, 5th/6th generation (C5/C6) Corvette brake components to the third generation F-body (GMF3) spindles. Please refer to the KORE3 GM Big-brake Application Chart for details
regarding specific vehicle compatibility.
C5/C6 front components are a huge improvement over the original Ø10.5" x 1" disc and single-piston, cast iron calipers that were standard on the GMF3 applications and significantly better than the Ø12" x 1.1" 1LE-performance package offered on some 1988-1992 models. The C5/C6 rotors measure Ø325mm x 32mm thick
(Ø12.80" x 1.26") and have either directional or pillar vane construction, providing higher brake torques, additional thermal mass, improved feel and better cooling for more aggressive, sustained driving without brake fade.
C5/C6 front calipers are pressure cast aluminum with full width stiffening ribs in order to maximize caliper
rigidity, extend service life, and improve pedal firmness and feel,
all in a compact, lightweight package. The C6 calipers are interchangeable with the C5 calipers and are approximately 25% more rigid due to additional material across the bridge of the calipers. Both C5 and C6 calipers have twin Ø40.5mm pistons and utilize a pad abutment design, where the braking torque is transmitted directly from the pads into the pad abutment brackets and the spindles they mount to, leading to better performance you can feel at the pedal.
There is vast aftermarket support for C5/C6 rotors and brake pads to suit nearly anybody's needs and/or budget. This KORE3 big-brake kit provides more braking performance per dollar than any other making it ideally suited for the front of almost any GM tall-spindle application, whether you're grocery-getting, pro-touring, or a little bit of both.
Notes:
- KORE3 GMF3 Kit is designed for 1982-1992 GMF3-spindles that were originally supplied with the single-piston cast iron calipers only. Brackets are not compatible with 1LE spindles.
- Kit installation requires moderate, irreversible spindle modifications with basic metal fabrication tools. All necessary modifications are detailed in the instructions.
- Minimum Ø17" wheels are required, however not all Ø17" wheels will fit. Please verify fitment prior to ordering using the appropriate KORE3 fitment template. Wheel fitment is the buyer's responsibility. Please contact us if you have any questions regarding your specific application or the proper use of the templates.
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