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Catalog #s 68642, 68643, 68652, 68653
©2006 Edelbrock Corporation
Page 3 of 3
Brochure #63-68642
Rev. 5/06 - DA/mc
Qty. PN Description
❑ 1 25-9526 Extension pipe left side
❑ 1 25-9527 Extension pipe right side
❑ 1 - Pigtail O2 sensor; 12”
❑ 4 - Flat washers; 3/8”
❑ 1 - O2 Sensor plug
❑ 12 - Hex header bolts; 3/8” x 1”
❑ 2 - Ferry bolts; 3/8” x 2-3/4”
❑ 1 - Flange connector
❑ 1 - U-Clamp; 2-1/4”
❑ 1 - U-Clamp; 3”
❑ 2 - Chevy V6 port gaskets
❑ 2 - Donut gaskets; 2-1/4”
❑ 1 - Hose (A.I.R.); 5/8” x 30” (#68652 & #68653 only)
❑ 1 - Hex bolt; 1/4”-20 x 1”
❑ 4 - Hex bolt; 3/8”-16 x 2”
❑ 1 - Adapter; catalytic converter
❑ 1 - Spacer tube; 3/8” O.D. x 1/2” long
❑ 2 - Spacer tube; 5/8” O.D. x 1-1/2” long
❑ 16 - Lock washers; 3/8”
Qty. PN Description
❑ 1 25-9431 Header left side (#68642)
❑ 1 25-9430 Header right side (#68642)
❑ 1 25-9028 Header left side (#68643)
❑ 1 25-9023 Header right side (#68643)
KIT CONTENTS
Catalog #68642, Catalog #68643 (Ti-Tech Coated)
Edelbrock Corporation, 2700 California St., Torrance, CA 90503
Tech Line: 1-800-416-8628
E-Mail: Edelbrock@Edelbrock.com
Qty. PN Description
❑ 1 25-9429 Header left side (#68652)
❑ 1 25-9428 Header right side (#68652)
❑ 1 25-9028 Header left side (#68653)
❑ 1 25-9019 Header right side (#68653)
KIT CONTENTS
Catalog #68652, Catalog #68653 (Ti-Tech Coated)
KIT CONTENTS
Common to All Part Numbers