D and D Exhaust Systems New! D&D Exhaust Systems Booklet (02.17.2010) ZIPPER'S PERFORMANCE PRODUCTS CATALOG Zipper's Performance '09 Catalog Supplement (18MB) CLOSEOUTS and SPECIALS Zipper's REAL DEALS & STEALS v.07082010 Zipper's Performance Information Parts Order Form Job Order Sheet Zippers.pdf Heat Cycle Instructions Dealer Application Zipper's "Latest News" Email Newsletter Zipper's Torkster Plus Kit (01/02/09) ThunderMax Digital Speedometer (01/12/09) ThunderMax Throttle Bodies & Manifolds (04/06/09) Big Bore Exchange Cylinders (04/13/09) MaxFlow and HiFlow Air Cleaners (05/04/09) ThunderMax on You Tube (05/13/09) New ThunderMax Videos on You Tube (07/01/09) Zipper's/ThunderMax at Sturgis 2010! (07.30.2010) Zipper's at Delmarva Bike Week 2009 (09/16/09) Zipper's CNC Heads (09/22/09) Zipper's at Daytona Biketoberfest (10/05/09) Zipper's Belt-to-Chain Conversion Kits (10/13/09) Zipper's Sleeper 103" Kit (10/27/09) ThunderMax for XR1200 Sportsters (10/20/09) Gift Ideas from Zippers Performance (11/03/09) Red Line Oil from Zipper's (05/21/09) ThunderMax Nitrous System (N.A.D.S.) 11/24/09 Seasons Greetings from Zipper's (12/01/09) New! SmartLink Software Features (12/07/09) ThunderMax A/C Kits (01/13/2010) D&D Exhausts from Zipper's (01/20/10) Zipper's Pushrods (02/21/2010) ThunderMax EFI Downloads SmartLink IV Full Tuning Manual (V.20080409) Marelli AutoTune Wiring NADS Instructions ThunderMax Digital Speedo Owner's Manual Throttle Body / Intake / Harness Installation Tips PigTail Harness Instructions #309-324 NEW! ThunderMax Install Tips for XR1200 Sportsters ThunderMax Quick Start Install Guide f/ Sportsters ThunderMax Quick Start Install Guide f/ V-Rods ThunderMax Quick Start Install Guide f/Big Twins ThunderMax Quick Start Install Guide for XR1200's ThunderMax 50 Quick Start Guide (309-370,373) ThunderMax 50 Quick Start Guide (309-375) ThunderMax Magnetti-Marelli Conversion Instruction New! TMax Quick Start Guide for 2010 XLs ThunderJet Downloads ThunderJet Instructions: E/B Carbs ThunderJet Instructions: G/D Carbs Red Shift Performance Cams New! Red Shift Cams Booklet (03.12.2010) Price Lists 2010 Zipper's Performance Products Price List Pro-Taper Pushrods Pro-Taper Pushrod Adjustment Inst. 309-575 Digital Ignition Instructions 309-575 Software Instructions 309-575 Digital Ignition Instructions | Home | High Performance Engines, Kits & Products | Engines Ready to Ship | | Employment | Happening | Heritage | Tech Talk | Talk to Zipper's | 6655-A Amberton Drive   Elkridge, Md 21075     410-579-2828 - phone     410-579-2835 - fax Copyright 2000 by Zipper's Cycle, Inc. All rights reserved.  No part of this website may be reproduced without permission. This site is maintained by Zipper's Cycle, Inc.