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BTR Brian Tooley Racing Platinum .660" LS Dual Valve Spring Kit with Steel Retainers | Fits Gen 3 Gen 4 LS Engines | 4.8L 5.3L 5.7L 6.0L 6.2L | High Lift Valvetrain Upgrade

90.2%
Global percentile
vs. all 1,329,830 ranked products
89.9%
In-cohort percentile
Automotive · 232,157 products
55.9%
AI-adjusted percentile
6 calibrated reviewers
View on Amazon
$320on Amazon · as of 2 Sept 2026
Rankquant analysed 8 reviews for this product, 6 of them from calibrated reviewers.

Product categories

Automotive
BTR Brian Tooley Racing Platinum .660" LS Dual Valve Spring Kit with Steel Retainers | Fits Gen 3 Gen 4 LS Engines | 4.8L 5.3L 5.7L 6.0L 6.2L | High Lift Valvetrain Upgrade

Is BTR Brian Tooley Racing Platinum .660" LS Dual Valve Spring Kit with actually any good?

Cohort
Automotive · 232,157 products
Calibrated reviewers
6

Same category · Automotive

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