Will this fit my 2021 ultra limited flhtk?

Yes, this is the highest performing battery for that bike. Thank you,

Is this battery fit 2019 Shelby GT350?

I dont know for sure, but probably smaller than factory battery.

what size bolt and thread pitch are the terminals on the battery

All models are the M6 size with a 1mm pitch with the exception of the AG-401 and AG-801 which have an M5 with a 1mm pitch.

Will this fit my 2015 rode glide

Yes it should fit your Harley and weighs about 20 pounds less. Dont forget you need a special battery charger if trickle charging! I have had mine for about a year now starting a 393CI engine in my car and I love it. My only concern is how long it will last for the price.

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Antigravity ATX30-HD YTX30 YTX30L-BS YIX30 Lithium Motorcycle Battery

Product ID: 154129870

Details

Battery Cell Composition
Lithium Ion
Brand
Antigravity
Global Trade Identification Number
Item Weight
7.8 pounds
Manufacturer
Antigravity
Number Of Cells
4

⚡970 Cranking Amps - Instant Power

🔋24Ah Lithium Capacity - Long Runtime

🛡️Advanced BMS - Ultimate Battery Protection

¥207850

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Power Your Ride, Own the Road!

LIGHTWEIGHT YET RUGGED - At just 7.8 lbs, it’s a powerhouse that reduces weight without compromising durability or reliability.
MAX POWER IN COMPACT SIZE - Delivers 970 cranking amps and 24Ah true lithium capacity, outperforming standard batteries in the same footprint.
SEAMLESS OEM REPLACEMENT FIT - Direct drop-in replacement for YTX30, YTX30L-BS, YIX30, and similar models with flexible quad-terminal design.
SMART BATTERY MANAGEMENT SYSTEM - Protects against overcharge, over-discharge, and temperature extremes for safer, longer-lasting performance.
HEAVY DUTY FOR HIGH PERFORMANCE RIDES - Engineered for large V-Twins, touring bikes, UTVs, and powersports demanding stronger starts and longer life.

The Antigravity ATX30-HD is a premium lithium motorcycle battery delivering 970 cranking amps and 24Ah capacity in a compact YTX30 size. Designed for large engines and high-performance powersports, it features an advanced Battery Management System for enhanced safety and longevity. Lightweight at 7.8 pounds, it offers a direct OEM replacement with a flexible quad-terminal design, making it the ultimate upgrade for riders seeking reliable, powerful starts and extended runtime.

Specifications

ASIN	B07WF972X1
Battery Type	Lithium Ion
Best Sellers Rank	#589,095 in Automotive ( See Top 100 in Automotive ) #1,211 in Powersports Batteries
Brand Name	Antigravity Batteries
Compatible with Vehicle Type	ATV, Motorcycle, Scooter, Snowmobile, UTV
Customer Reviews	4.2 4.2 out of 5 stars (34)
Global Trade Identification Number	00711811703805
Item Weight	7.8 pounds
Manufacturer	Antigravity Batteries
Manufacturer Part Number	AG-ATX30-HD
Manufacturer Warranty Description	3 Yr Warranty
Number Of Cells	4
Terminal	Quad Terminal
UPC	711811703805
Voltage	12.8 volts

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