Where are Michigan Motorsports Delphi LS7 Lifters made?

Delphi lifters are made in Grand Rapids, MI USA in a UAW factory.

Will I need to change my pushrods to a different length?

Assuming no other parts have been changed on the combination, no pushrod length change is needed to install Delphi LS7 lifters in your LS based engine.

Which way should the oil hole be facing when installed?

It does not matter which way the oil hole is facing on LS engines, the lifters can be installed in either direction.

What is the break-in procedure for Delphi LS7 Lifters?

No break-in is necessary for hydraulic roller lifters and camshafts. Just be sure the camshaft and lifters are properly lubricated when installed.

Can I use these lifters in my LS3 or LS7 engine?

YES! These lifters are fully compatible with LS1, LS2, LS3, LS6 and LS7 engines

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Michigan Motorsports Delphi LS7 Lifter Set with Guide Trays | Fits GM LS Engines 4.8L 5.3L 5.7L 6.0L 6.2L LS1 LS2 LS3 LS6 LQ4 LQ9 LY5 LY6 LM7 | Delphi Part #'s 12499225 & 25341990

Product ID: 74646072

🔧Direct fit for 12+ GM LS engine variants

🚀Optimized for camshaft upgrades & power gains

⚙️16 OEM-quality hydraulic roller lifters

$568.37

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Description

⚡ Upgrade your LS engine’s heartbeat with precision and power!

COMPREHENSIVE SET - Includes 16 Delphi LS7 lifters plus 4 OEM-quality guide trays for a full valvetrain refresh.
POWER BOOST READY - Engineered for hydraulic roller cams to unlock enhanced torque and horsepower in NA, turbo, or supercharged setups.
PRECISION OEM FITMENT - Seamlessly replaces GM part #12499225 & #25341990 for guaranteed compatibility.
TRUSTED QUALITY VALUE - Bulk-sourced by Michigan Motorsports to deliver premium OEM performance at an unbeatable price.
VERSATILE ENGINE COMPATIBILITY - Perfect for LS1, LS2, LS3, LS6, LQ4, LQ9, LY5, LY6, LM7 and all 4.8L to 6.2L LS engines.

Michigan Motorsports Delphi LS7 Lifter Set offers 16 OEM-quality hydraulic roller lifters plus 4 guide trays, designed as direct replacements for GM LS engines ranging from 4.8L to 6.2L. Compatible with a wide range of LS variants, these lifters are optimized for camshaft upgrades, delivering reliable performance and enhanced power for naturally aspirated, turbocharged, or supercharged applications.

Specifications

ASIN	B07G8M28BG
Best Sellers Rank	#44,017 in Automotive ( See Top 100 in Automotive ) #2 in Automotive Replacement Engine Lifters
Brand	Michigan Motorsports
Customer Reviews	4.6 4.6 out of 5 stars (510)
Date First Available	March 1, 2018
Item Weight	0.01 ounces
Item model number	97400-16+97500-4
Manufacturer	Michigan Motorsports
Manufacturer Part Number	97400-16+97500-4
Model	Delphi LS7 Lifters
Package Dimensions	12.32 x 8.58 x 5.75 inches
Position	Top

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$568.37

Duties & taxes included

In stock

Sold byAmazon USADelivered 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 USA.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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