BTR .625" Lift Beehive Valve Spring Kit - For .565" Valve Guides - BTR-SK018/6545. Sold as described below; installation labor and tuning are not included.
NOTE: CAN NOT BE USED WITH OEM HAT STYLE VALVE SEALS.
NOTE - BTR does not recommend single wire conical or beehive springs with roller rockers due to the extra mass causing loss of valve train stability, or the use of a higher ratio rocker as it could possibly cause a coil bind issue. If you have a specific combination of valvetrain parts you are needing to use a roller rocker on, please call in to our sales team for clarification.
Spring specs:
125lbs @ 1.780" 350lbs @ 1.200" 365lbs @ 1.175" Coil bind @ 1.100"
I.D. top of spring .645" O.D. top of spring 1.02" I.D. bottom of spring .9115" O.D. bottom of spring 1.285"
Kit includes:
(16) SP018-1 valve springs
- Manufacturer part number: BTR-SK018/6545
- Brand: Brian Tooley Racing
- Part Type: Valve Spring Kit
- 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.
BTR .625" Lift Beehive Valve Spring Kit - For .565" Valve Guides - BTR-SK018/6545. Sold as described below; installation labor and tuning are not included.
NOTE: CAN NOT BE USED WITH OEM HAT STYLE VALVE SEALS.
NOTE - BTR does not recommend single wire conical or beehive springs with roller rockers due to the extra mass causing loss of valve train stability, or the use of a higher ratio rocker as it could possibly cause a coil bind issue. If you have a specific combination of valvetrain parts you are needing to use a roller rocker on, please call in to our sales team for clarification.
Spring specs:
125lbs @ 1.780" 350lbs @ 1.200" 365lbs @ 1.175" Coil bind @ 1.100"
I.D. top of spring .645" O.D. top of spring 1.02" I.D. bottom of spring .9115" O.D. bottom of spring 1.285"
Kit includes:
(16) SP018-1 valve springs
- Manufacturer part number: BTR-SK018/6545
- Brand: Brian Tooley Racing
- Part Type: Valve Spring Kit
- 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