Cannot seem to get rocker arms close enough to set gap on 100cc upgrade. Valves are noticeably shorter than stock. Whats wrong?

Wrong size head, A9 cams are for the gy-6 139qmb 50cc- 100cc big bore kits. You may have the long valves and you need the 64mms length not 67-69mm

Will this help my 72kit tappets touch

Not sure what you mean by helping your rappers but this cam will make a bit of a difference in your performance by letting more air into the mix and better exhaust flow.

Will this work for 69mm valves?

It will work on any engine up to a 150cc then I believe it is a A-12 cam

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Glixal GY6 49cc 50cc 100cc High Performance A9 Racing Camshaft | Lightweight design, Fit 139QMB 139QMA Based Engines Scooter Moped ATV Go-Kart

Glixal GY6 49cc 50cc 100cc High Performance A9 Racing Camshaft | Lightweight design, Fit 139QMB 139QMA Based Engines Scooter Moped ATV Go-Kart

Product ID: 18588618

🔥High angle camshaft for max power

🛴Fits 139QMB/139QMA 50-100cc engines

⚙️Precision intake lobe 26.5mm±0.05

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Description

⚡ Unlock your ride’s hidden horsepower with Glixal’s precision camshaft!

TRUSTED QUALITY - Equipped with premium XX or C&U bearings ensuring durability and smooth operation.
RACE READY PRECISION - Engineered intake and exhaust lobes with ±0.05mm tolerance for peak timing accuracy.
LIGHTWEIGHT EFFICIENCY - Includes a lightweight sprocket to boost acceleration and fuel economy.
UNIVERSAL COMPATIBILITY - Seamlessly fits a wide range of 50cc-100cc GY6-based scooters, mopeds, ATVs, and go-karts.
HIGH PERFORMANCE UPGRADE - Optimized camshaft angle designed to unlock maximum power with upgraded cylinders and heads.

The Glixal GY6 Racing Camshaft is a high-performance, lightweight upgrade designed for 50cc to 100cc 139QMB/139QMA engines. Featuring precision-engineered intake and exhaust lobes, it maximizes power output and efficiency. Compatible with a broad range of scooters, mopeds, ATVs, and go-karts, this camshaft includes premium bearings and a lightweight sprocket to ensure durability and enhanced acceleration. Perfect for professionals seeking a reliable performance edge.

Specifications

ASIN	B00Y8FP4ZY
Best Sellers Rank	#75,665 in Automotive ( See Top 100 in Automotive ) #8 in Automotive Replacement Engine Camshafts
Brand	Glixal
Customer Reviews	4.5 4.5 out of 5 stars (449)
Date First Available	May 25, 2015
Item Weight	9.9 ounces
Manufacturer	AT MOTOR PARTS
Manufacturer Part Number	ATKS-029
Package Dimensions	3.82 x 2.87 x 2.8 inches

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27130CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Senegal.

Secure transaction

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