JE Pistons F.S.R. Tour Series GP Piston Forged 4.035" Bore 0.043 x 0.043 x 3.0 mm Ring Grooves - Minus 5.0 cc Base Layer Top Trim to length Can be

Trim to length Can be slit lengthwise for easy install Tough

The 10 Hole Top Air design directs airflow around the top of the helmet for comfort and onto the shield to reduce fogging

Keep Your Stilo ST5 Helmet Ventilated With This Stilo Top Air Kit

1975-1986 Chevrolet C20 Suburban

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