Twin Cam® 1999-2006

Zipper’s Sleeper 95 kit for ‘99-‘06 TC engines

$0.00

'99-’06 TC SLEEPER 95 Still riding that stock 88” TC? Give it a wake-up call with Zipper’s Sleeper 95 Kit! 95” kits are certainly nothing new, but we took another look at this popular mod and added Zipper’s newly designed Red Shift 511 grind, along with a bore size increase to 3.875”. The results are fantastic - power is increased across the board, with horsepower well over 90 and torque breaking the century mark with stock size valves and no head porting! The Sleeper 95 kit includes forged 3-7/8” pistons precision-fit to your decked & trued cylinders, Red Shift 511 cams and all gaskets. Add our optional cam chest upgrade kit to update aging components with modern hydraulics. Result: 60% gain in HP, 49% in torque! This kit uses your factory cylinder cores sent in for modification Zipper's is here to help, if you have a question(s) please scroll down and fill out the form and hit send. We will review your question(s) and we will be in contact.

Not legal for sale or use in California on any pollution controlled motor vehicle. Not legal for sale or use on any EPA pollution controlled motor vehicle.

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Zipper’s Sleeper 98” kit for ’99-’06 TC Engines

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‘99-‘06 TC SLEEPER 98 Zipper’s Sleeper 98” kit adds 10 more cubic inches through an increase of the stock 88” 3.750” bore size to 3.937”! This is a similar kit to the 95” Sleeper kit, just 3 cubic inches larger via the bore size. Dyno sheet not available at press time, the curve will look nearly identical, just a bit more power everywhere. The Sleeper 98 kit includes forged 3.937” pistons precision-fit to your decked & trued cylinders, Red Shift 511 cams and all gaskets. Add Zipper’s optional cam chest upgrade kit to update aging components with modern hydraulics. This kit uses your factory cylinder cores sent in for modification *To ensure you enjoy a premium experience, Please fill out a Build Sheet/Job Order Sheet prior to completing an order on the website. Click here for Zipper's Build Sheet/Job Order Sheet

Not legal for sale or use in California on any pollution controlled motor vehicle. Not legal for sale or use on any EPA pollution controlled motor vehicle.

Zipper's is here to help, if you have a question(s) please scroll down and fill out the form and hit send. We will review your question(s) and we will be in contact.

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Zipper’s Sport 107 kit for ’99-’06 Twin Cam® engines

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Zipper’s Sport 107” Kit for ’99-’06 Twin Cam® 88” engines greatly improves the all-around power output of the 88” Twin Cam® engine. The Sport 107 is a great choice for the rider looking to give new life to a tired or failed engine. Over 100 ft/lbs of torque is available from 2,400 to 5,200 RPM, while Horsepower is a linear line to 110+. A new 4-3/8” stroke crankshaft replaces your factory 4” stroke crank. Your cylinders are decked and sized for 3.937” forged pistons, while your heads are modified with Zipper’s high velocity Stage II CNC porting. Our Red Shift 575 cams and Dual-Piston Tensioners ensure valve train stability; Pro-Taper pushrods with EZ-Adjust covers are included with top quality gaskets. This kit delivers excellent results with the factory throttle body and injectors, keeping costs down. Highly recommended option: Zipper’s # 417-495 blueprinted cam chest upgrade with our patented Red Shift Dual Piston hydraulic cam chain tensioners, blueprinted billet plate, HV oil pump, cam bearings and quality USA lifters for improved reliability and durability. Exciting New Life for the 88” Engine! This kit uses your factory head & cylinder cores sent in for modification. An exchange may be possible once your cores are cleaned, inspected and qualified for exchange. *To ensure you enjoy a premium experience, Please fill out a Build Sheet/Job Order Sheet prior to completing an order on the website. Click here for Zipper's Build Sheet/Job Order Sheet

Not legal for sale or use in California on any pollution controlled motor vehicle. Not legal for sale or use on any EPA pollution controlled motor vehicle.

Zipper's is here to help, if you have a question(s) please scroll down and fill out the form and hit send. We will review your question(s) and we will be in contact.

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Zipper’s Muscle 95” Kit for ’99-’06 Twin Cam® 88” engines

Zipper's

$0.00

Zipper’s Original Muscle 95” Kit for ’99-’06 Twin Cam® 88” engines has been providing great service for over 25 years! The Muscle 95 gets its displacement boost by increasing the cylinder bore size to 3.875” when paired with the factory stock 4” stroke crankshaft. Your cylinder tops are decked for trueness and new 10.5:1 forged pistons are precision-fit using the latest Sunnen equipment, while your heads receive Zipper’s high-breathing Stage III treatment with CNC porting, new guides, oversize valves, performance springs and manual compression releases. Zipper’s Red Shift 577 cams provide big torque & HP gains across the entire RPM range. Also included are Pro-Taper pushrods and EZ-Adjust covers, with all gaskets needed for assembly. Highly recommended option: Zipper’s #417-495 blueprinted cam chest upgrade with our patented Red Shift Dual Piston hydraulic cam chain tensioners, blueprinted billet plate, HV oil pump, cam bearings and quality USA lifters for improved reliability and durability. Zipper’s Muscle 95” kit produces excellent, reliable Horsepower and Torque gains - year after year, mile after mile! This kit uses your factory head & cylinder cores sent in for modification. An exchange may be possible once your cores are cleaned, inspected and qualified for exchange. *To ensure you enjoy a premium experience, Please fill out a Build Sheet/Job Order Sheet prior to completing an order on the website. Click here for Zipper's Build Sheet/Job Order Sheet

Not legal for sale or use in California on any pollution controlled motor vehicle. Not legal for sale or use on any EPA pollution controlled motor vehicle.

Zipper's is here to help, if you have a question(s) please scroll down and fill out the form and hit send. We will review your question(s) and we will be in contact.

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Zipper’s Muscle 98″ Kit for ’99-’06 Twin Cam® engines

$0.00

Zipper’s Muscle 98” Kit for ’99-’06 Twin Cam® 88” engines boost torque and horsepower north of 110! The Muscle 98 gets its displacement boost by increasing the cylinder bore size to 3.937” when paired with the factory stock 4” stroke crankshaft. Your cylinder tops are decked for trueness and new 10.5:1 forged pistons are precision-fit using the latest Sunnen equipment, while your heads receive Zipper’s high-breathing Stage III treatment with CNC porting, new guides, oversize valves, performance springs and manual compression releases. Zipper’s Red Shift 577 cams provide big torque & HP gains across the entire RPM range. Also included are Pro-Taper pushrods and EZ-Adjust covers, with all gaskets needed for assembly. Highly recommended option: Zipper’s # 417-495 blueprinted cam chest upgrade with our patented Red Shift Dual Piston hydraulic cam chain tensioners, blueprinted billet plate, HV oil pump, cam bearings and quality USA lifters for improved reliability and durability. The Muscle 98” kit produces 33% more Horsepower and 10% more Torque than a factory-stock 107” M8! This kit uses your factory head & cylinder cores sent in for modification. An exchange may be possible once your cores are cleaned, inspected and qualified for exchange. *To ensure you enjoy a premium experience, Please fill out a Build Sheet/Job Order Sheet prior to completing an order on the website. Click here for Zipper's Build Sheet/Job Order Sheet

Not legal for sale or use in California on any pollution controlled motor vehicle. Not legal for sale or use on any EPA pollution controlled motor vehicle.

Zipper's is here to help, if you have a question(s) please scroll down and fill out the form and hit send. We will review your question(s) and we will be in contact.

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Zipper’s Muscle 107 kit ‘99-‘06 Twin Cam® ‘A’ & ‘B’ engines

$0.00

Looking for a Big Power Boost for your ’99-’06 Twin Cam? Zipper’s Muscle 107 kit will double the HP of a TC 88” engine - all while looking stock from the outside! A new 4-3/8” stroke crankshaft replaces the original 4” crank, while your cylinders are decked and precision fit with 3.937” 10.6:1 pistons. Your heads receive Zipper’s Stage III CNC porting with new guides, oversize valves, performance springs and manual compression releases. Our Red Shift 577 cams provide big torque & HP gains across the entire RPM range. Also included are Pro-Taper pushrods and EZ-Adjust covers, with all gaskets needed for assembly. Highly recommended option: Zipper’s #417-495 blueprinted cam chest upgrade with our Red Shift Dual Piston hydraulic cam chain tensioners, blueprinted billet plate, HV oil pump, cam bearings and quality USA lifters for improved reliability and durability. Amazing New Life for the 1st Generation Twin Cam® - M8’s BEWARE! *To ensure you enjoy a premium experience, Please fill out a Build Sheet/Job Order Sheet prior to completing an order on the website. Click here for Zipper's Build Sheet/Job Order Sheet

Not legal for sale or use in California on any pollution controlled motor vehicle. Not legal for sale or use on any EPA pollution controlled motor vehicle.

Zipper's is here to help, if you have a question(s) please scroll down and fill out the form and hit send. We will review your question(s) and we will be in contact.

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Zipper’s Muscle 117 kit ‘99-‘06 Twin Cam® ‘A/B’ engines

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Take your 88” Twin Cam to 117” with Zipper’s Muscle 117 kit! A new 4-3/8” stroke crankshaft replaces the original 4” crank; new stress-relieved 4-1/8” bore cylinders are precision fit with forged pistons set for 10.6:1 compression. Your heads receive Zipper’s Stage III CNC porting with new guides, oversize valves, performance springs and manual compression releases. Our Red Shift 577 cams provide big torque & HP gains across the entire RPM range. Also included are Pro-Taper pushrods and EZ-Adjust covers, with all gaskets needed for assembly. Highly recommended option: our # 417-495 blueprinted cam chest upgrade with our Red Shift Dual Piston hydraulic cam chain tensioners, blueprinted billet plate, HV oil pump, cam bearings and quality USA lifters for improved reliability and durability. Case boring required, Timken recommended. Enjoy Big, Broad Power at every throttle position with the Muscle 117! This kit uses your factory head cores sent in for modification. An exchange may be possible once your cores are cleaned, inspected and qualified for exchange. *To ensure you enjoy a premium experience, Please fill out a Build Sheet/Job Order Sheet prior to completing an order on the website. Click here for Zipper's Build Sheet/Job Order Sheet

Not legal for sale or use in California on any pollution controlled motor vehicle. Not legal for sale or use on any EPA pollution controlled motor vehicle.

Zipper's is here to help, if you have a question(s) please scroll down and fill out the form and hit send. We will review your question(s) and we will be in contact.

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Zipper’s Muscle 124 kit ‘99-‘06 Twin Cam® ‘A/B’ engines

$0.00

Zipper’s Muscle 124 kit delivers 140+ Twin Cam® HP & Torque! A new 4-5/8” stroke crankshaft replaces the original 4” crank; new stress-relieved 4-1/8” bore cylinders are precision fit with forged pistons set for 10.75:1 compression. Your heads receive Zipper’s Stage IV CNC porting with highly modified chambers, 2.0” intake, 1.630” exhaust valves, performance springs. Our Red Shift 657 cams provide stunning torque & HP gains across the entire RPM range. Also included are Pro-Taper pushrods and EZ-Adjust covers, with all gaskets needed for assembly. Highly recommended option: Zipper’s #417-495 blueprinted cam chest upgrade with our Red Shift Dual Piston hydraulic cam chain tensioners, blueprinted billet plate, HV oil pump, cam bearings and quality USA lifters for improved reliability and durability. Case boring, Timken conversion required. CVO? M8? Make them all believers with Zipper’s Muscle 124 Twin Cam®! This kit uses your factory head cores sent in for modification. An exchange may be possible once your cores are cleaned, inspected and qualified for exchange. *To ensure you enjoy a premium experience, Please fill out a Build Sheet/Job Order Sheet prior to completing an order on the website. Click here for Zipper's Build Sheet/Job Order Sheet

Not legal for sale or use in California on any pollution controlled motor vehicle. Not legal for sale or use on any EPA pollution controlled motor vehicle.

Zipper's is here to help, if you have a question(s) please scroll down and fill out the form and hit send. We will review your question(s) and we will be in contact.

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