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Engines and Components› Camshafts and Valvetrain

PAC RACING SPRINGS

1.290 Valve Springs - Ovate Beehive (16)

$240.00 $225.60 Save $14.40

SKU: P05C PAC-1218-16

In Stock
In Stock
Ships by Jun 9
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The PAC Racing Springs PAC-1218-16 are high-performance ovate beehive valve springs designed for GM LS series engines. These springs are often utilized in applications with up to .600" valve lift, making them suitable for performance upgrades and modified engines. The design aims to enhance valve train stability and high-RPM performance.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandPAC RACING SPRINGS
Part NumberP05C PAC-1218-16

Videos

Valve Spring Tech Specs and What you Need to know - PAC Racing Springs

Valve Spring Tech Specs and What you Need to know - PAC Racing Springs
Valve Spring Technology with PAC Racing Springs

Valve Spring Technology with PAC Racing Springs
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SDPC Tech Tips: LS Valve Springs
Sourcing LS6 / Beehive springs for Chevy vortec heads

Sourcing LS6 / Beehive springs for Chevy vortec heads
DO STIFFER VALVE SPRINGS COST POWER? LS3 SPRING TEST!!

DO STIFFER VALVE SPRINGS COST POWER? LS3 SPRING TEST!!
Did I Waste My Money Building Heads That Were Fine? 5.3L LC9 Gen IV LS V8 Build Part 3

Did I Waste My Money Building Heads That Were Fine? 5.3L LC9 Gen IV LS V8 Build Part 3
PAC1218 Valve Spring Install. It woke up!!!!! On3 Turbo Silverado!

PAC1218 Valve Spring Install. It woke up!!!!! On3 Turbo Silverado!
The LS swap continues...PAC 1218 Valve springs DIY

The LS swap continues...PAC 1218 Valve springs DIY
Fake Pac 1218 valve springs...what you need to know

Fake Pac 1218 valve springs...what you need to know

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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