Chevrolet Performance LS6 Valve Spring - .550" Lift - 12713265. Sold as described below; installation labor and tuning are not included.
The "LS6" spring is for .550″ Lift or less Camshafts – Engineered to handle aggressive cam profiles with up to .550″ of lift, making it perfect for street/strip and boosted applications needing added valvetrain stability. Aggressive Beehive Design – Reduces mass in the valvetrain, improves harmonics, and increases spring efficiency at higher RPMs—ideal for maintaining control in performance engines. Direct Fit for 4.8–6.2L LS Engines – Installs without modification on LS1, LS2, LS3, LS6, LQ4, and LQ9 cylinder heads Delivers 90 lbs at 1.800″ installed height with 295 lb/in spring rate at 1.250", offering reliable performance without coil bind or float.
- Manufacturer part number: GM-12713265
- Brand: Chevrolet Performance
- Part Type: Valve Spring
- Engine Type: Gen III/Gen IV LS
Match this part to your exact engine, cylinder heads, and intended use. Verify required clearances, spring setup, and measured pushrod length before installation. Cam stages are specific to their cam family.
Shipping: Lower-48 ground shipping is $19.99 per order. Use CAMSHIP199 for free cam-parts ground shipping on orders of $199 or more. Free shop pickup is available after your order is confirmed ready.
Chevrolet Performance LS6 Valve Spring - .550" Lift - 12713265. Sold as described below; installation labor and tuning are not included.
The "LS6" spring is for .550″ Lift or less Camshafts – Engineered to handle aggressive cam profiles with up to .550″ of lift, making it perfect for street/strip and boosted applications needing added valvetrain stability. Aggressive Beehive Design – Reduces mass in the valvetrain, improves harmonics, and increases spring efficiency at higher RPMs—ideal for maintaining control in performance engines. Direct Fit for 4.8–6.2L LS Engines – Installs without modification on LS1, LS2, LS3, LS6, LQ4, and LQ9 cylinder heads Delivers 90 lbs at 1.800″ installed height with 295 lb/in spring rate at 1.250", offering reliable performance without coil bind or float.
- Manufacturer part number: GM-12713265
- Brand: Chevrolet Performance
- Part Type: Valve Spring
- Engine Type: Gen III/Gen IV LS
Match this part to your exact engine, cylinder heads, and intended use. Verify required clearances, spring setup, and measured pushrod length before installation. Cam stages are specific to their cam family.
Shipping: Lower-48 ground shipping is $19.99 per order. Use CAMSHIP199 for free cam-parts ground shipping on orders of $199 or more. Free shop pickup is available after your order is confirmed ready.
Image 1 of 1