Slack Karts, Performance Mfg.

Slack Karts, Performance Mfg. America's leading manufacturer of karting components.
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Labor Day Weekend Hours 🎉We’ll be closing early Friday, 8/4 at 3:00 PM and will be closed Monday, 8/7 for Labor Day.We’l...
09/04/2026

Labor Day Weekend Hours 🎉

We’ll be closing early Friday, 8/4 at 3:00 PM and will be closed Monday, 8/7 for Labor Day.

We’ll reopen with normal business hours Tuesday, 8/8.

Have a safe and enjoyable Labor Day weekend!

PMCKART.COM

NEW from Performance Manufacturing - 5/8" Hex Aluminum Bolt-On Spuds! 🔥Built for quick release applications without the ...
09/01/2026

NEW from Performance Manufacturing - 5/8" Hex Aluminum Bolt-On Spuds! 🔥

Built for quick release applications without the unnecessary weight of traditional steel spuds.

🏁 Lightweight aluminum construction
🏁 Black anodized finish
🏁 5/8" hex design for a secure, easy installation
🏁 Mounting hardware included

And now available with NEW multi-position adjustment!

PM-115HCKAL — Standard Bolt-On Spud
PM-115HCKAL-1 — Multi-Position Bolt-On Spud with 1" of adjustment

Less weight. More adjustability. Built for the track.

PMCKART.COM
Slack Performance. Race Proven.

Introducing the Velocity 3 Disc Clutch - built for power and made to perform.Available with 2-prong or 4-prong baskets a...
08/25/2026

Introducing the Velocity 3 Disc Clutch - built for power and made to perform.

Available with 2-prong or 4-prong baskets and options for Senior Open, High Horsepower, Senior Clone Motor, and Unrestricted Engine applications.

🔥 Built for Power. Made to Perform.
🏁 Slack Performance. Race Proven.

Call us today for more information or visit PMCKART.com!

🔥 NEW FROM PERFORMANCE MANUFACTURING! 🔥Introducing our NEW Pro Series Body Assembly Kits - everything you need for a sma...
08/20/2026

🔥 NEW FROM PERFORMANCE MANUFACTURING! 🔥

Introducing our NEW Pro Series Body Assembly Kits - everything you need for a smarter, cleaner body mounting setup.

Available with Raw Aluminum or Black Anodized .725" wide body washers, each kit includes:
🏁 6 Flat Washers
🏁 6 Body Washers
🏁 6 Zinc-Plated Screws & Nuts

Smarter mounting. Cleaner results.

Shop now at PMCKART.com 🏁

🏁 REMINDER - RAFFLE TICKETS ARE HERE! 🏁We’re giving you 4 chances to win at the Ransomville/Performance Manufacturing Ka...
08/18/2026

🏁 REMINDER - RAFFLE TICKETS ARE HERE! 🏁

We’re giving you 4 chances to win at the Ransomville/Performance Manufacturing Karting Series Year-End Banquet!

🏆 1st Prize: 2026 Slack Elevate Chassis
🏁 2nd Prize: Set of (4) Burris SS 33 Tires
🏁 3rd Prize: Set of (4) Burris SS 33 Tires
🏁 4th Prize: Set of (4) Burris SS 33 Tires

🎟️ Tickets are $10 each or 3 for $25!

The drawing will be held at Ransomville Speedway during the Year-End Banquet.

Grab your tickets and get your chance at some BIG prizes. Good luck & thank you for supporting local racing! 🏁

PMCKART.com

🏁 Closing early today!Performance Manufacturing will be closing at 12PM today, Friday, August 14th, for our Summer Compa...
08/14/2026

🏁 Closing early today!

Performance Manufacturing will be closing at 12PM today, Friday, August 14th, for our Summer Company Party!

We’ll be back and ready to go Monday, August 17th. We appreciate your understanding and hope everyone has a great weekend!

PMCKART.COM

08/10/2026

Coming up over the next week at Ransomville Speedway

Thursday August 13: Slack Karts, Performance Mfg. Karting Series full program at The Little R

Friday August 14: Two Hawks Dispensary, Firth Jewelers, Inc., and Crosby's presents full DIRTcar Northeast racing program and Kids Bike Races!

Monday August 17: Monday night racing at The Little R (makeup from previous rainouts)

FINAL DAY!Today is your last chance to save 10% OFF all qualifying retail orders during our Independence Day Sale!Use co...
07/08/2026

FINAL DAY!

Today is your last chance to save 10% OFF all qualifying retail orders during our Independence Day Sale!

Use code:
JULY4SALE

➡ Sale ends tonight!
✔️ Retail orders only
✔️ Excludes tires, bodies, KKP products, chassis & gift cards

Don't wait until tomorrow and wish you had ordered today.
👉 PMCKART.COM

We're celebrating Independence Day with 10% OFF all retail orders through July 8th!Use code:🔴 JULY4SALEThank you for sup...
07/04/2026

We're celebrating Independence Day with 10% OFF all retail orders through July 8th!

Use code:
🔴 JULY4SALE

Thank you for supporting American racing and choosing Performance Manufacturing for your karting needs. We appreciate every racer, team, and family that trusts us season after season.

Have an incredible Fourth of July weekend, and good luck at the track! 🏁

PMCKART.COM

Race season doesn't slow down... and neither do the deals.🇺🇸 Save 10% OFF all qualifying retail orders with code JULY4SA...
07/03/2026

Race season doesn't slow down... and neither do the deals.

🇺🇸 Save 10% OFF all qualifying retail orders with code JULY4SALE through July 8th.

Get the parts you need before the next green flag and save while you can.

⚠️ We'll be closed July 3rd, so place your orders online early!

*Retail orders only. Excludes tires, bodies, KKP products, chassis, and gift cards.

Address

80 Telegraph Road
Middleport, NY
14105

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 3pm

Telephone

+17167353500

Website

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