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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⚡ Unlock LS Power with Precision & Performance!

BULK PRICED FOR VALUE - Michigan Motorsports’ large volume sourcing means you get premium quality at an unbeatable price—upgrade without compromise.
PRECISION OEM FITMENT - Direct replacement for GM part #12499225 & #25341990 ensures flawless compatibility and hassle-free installation.
COMPLETE KIT CONVENIENCE - Includes 16 lifters plus 4 OEM-quality guide trays, delivering everything needed for a smooth valvetrain refresh.
OPTIMIZED FOR PERFORMANCE - Hydraulic roller design enhances camshaft efficiency, boosting power and torque across naturally aspirated and forced induction setups.
VERSATILE ENGINE COMPATIBILITY - Engineered to fit a wide range of LS engines from 4.8L to 6.2L, perfect for rebuilds, swaps, and upgrades.

Michigan Motorsports Delphi LS7 Lifter Set offers 16 OEM-quality hydraulic roller lifters plus 4 guide trays, designed as a direct replacement for GM LS engines ranging from 4.8L to 6.2L. Compatible with multiple LS variants, this set is optimized for camshaft upgrades, delivering enhanced power and torque for naturally aspirated and forced induction builds. Perfect for professional rebuilds and performance enthusiasts seeking reliable, precision-fit valvetrain components.

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TT$4848

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Manufacturer	Michigan Motorsports
Brand	Michigan Motorsports
Model	Delphi LS7 Lifters
Item Weight	0.01 ounces
Package Dimensions	12.32 x 8.58 x 5.75 inches
Item model number	97400-16+97500-4
Is Discontinued By Manufacturer	No
Manufacturer Part Number	97400-16+97500-4
Position	Top

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

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