← Previous Product Next Product →
BTR: LT4 .660

BTR: LT4 .660" Double Spring Kit [Corvette Z06 ZR1, Camaro ZL1, CTS V, LT4 LT5]

Vendor: BTR

SKU: SK008/BB

$309.00 $329.00
.660" Lift Dual Spring Kit for Gen V LT4 LT5 engines using stock rocker arms.  Includes dual polished springs, matching LT4 specific titanium retainers, LT4 specific locators for stock guides,...
Seal Color
Black
Blue

.660" Lift Dual Spring Kit for Gen V LT4 LT5 engines using stock rocker arms.  Includes dual polished springs, matching LT4 specific titanium retainers, LT4 specific locators for stock guides, locks and seals. 

 

Spring specs are 155 lbs @ 1.780", 380 lbs @ 1.180", 400 lbs @ 1.130, coild bind @ 1.070" 

 

This is a drop in spring kit for Gen V LT4 engines, WILL NOT FIT OTHER GEN V ENGINES, SEE SK007

Reviews

Related Products

DSX: Flex Fuel Sensor Kit [Camaro Corvette CTS V G8 GTO SS]
DSX: Flex Fuel Sensor Kit [Camaro Corvette CTS V G8 GTO SS]
New Sale
$299.00 $349.00
The DSX Tuning flex fuel kit is the original plug and play solution to adding flex fuel on Gen IV/Gen V...
Select options
Quick View
WEAPON-X: Thermostat Gen 5 Engine [Corvette Camaro CTS V, LT1 LT4 LT5]
WEAPON-X: Thermostat Gen 5 Engine [Corvette Camaro CTS V, LT1 LT4 LT5] New
$59.00
Looking to help your gen 5 LT1 or LT4 powered Corvette, Camaro, or Cadillac run cooler? Add a lower temp...
Select options
Quick View
PS: Magnetic Oil Pan Drain Plug [Camaro Corvette CTS V SS G8 GTO]
PS: Magnetic Oil Pan Drain Plug [Camaro Corvette CTS V SS G8 GTO] New Sale
$20.00 $25.00
Want to further protect your LS or LT engine, then consider this mangentic drain plug.  Select your vehicle below! Plug...
Select options
Quick View
WEAPON-X: Griptec Pulley [C7 Corvette Z06, CTS V, Camaro ZL1, LT4]
WEAPON-X: Griptec Pulley [C7 Corvette Z06, CTS V, Camaro ZL1, LT4]
New
$199.00
The WEAPON-X Griptec pulleys are the new latest and greatest in pulley technology for your Camaro, Corvette, or CTS V!  The...
Select options
Quick View
Nick Williams: 103mm Throttle Body for LS / LTx [Corvette, Camaro, CTS V, LS, LT1, LT4, LT5]
Nick Williams: 103mm Throttle Body for LS / LTx [Corvette, Camaro, CTS V, LS, LT1, LT4, LT5]
New Sale
$690.00 $832.00
*Please select LS or LT before adding to cart Nick Williams Performance drive-by-wire throttle bodies are CNC precision-machined from billet...
Select options
Quick View
WEAPON-X: LT1 LT4 87mm Ported Throttle Body [Camaro Corvette CTS V]
WEAPON-X: LT1 LT4 87mm Ported Throttle Body [Camaro Corvette CTS V]
New Sale
$247.50 $275.00
The WEAPON-X ported throttle bodies are quickly becoming notorious for quality, improved driveability, and power!  The 87mm LT1 LT4 throttle...
Select options
Quick View
SMC: Catch Cans [LS LT]
SMC: Catch Cans [LS LT] New Sale
$119.00 $139.00
Saikou Michi Co. is here to make the finest oil catch tanks you can find anywhere. These are not blingy...
Select options
Quick View
Elite Engineering: E2-X Catch Can Kit [Camaro Corvette CTS V, LS LT]
Elite Engineering: E2-X Catch Can Kit [Camaro Corvette CTS V, LS LT]
New Sale
$370.00 $384.00
The E2-XTM Dual outlet system: All the features of the E2-X single outlet and more! A must for the aggressively driven...
Select options
Quick View
GM: LT4 Injectors [Camaro Corvette CTS V, LT1 LT4 LT5]
GM: LT4 Injectors [Camaro Corvette CTS V, LT1 LT4 LT5]
New Sale
$85.00 $95.00
Brand New Stock LT4 Replacements Applications: High horsepower GM Gen V V8 and V6 direct injection engines including LT4, LT1,...
Select options
Quick View
WEAPON-X: 112mm Throttle Body Adapter [LS LT1 LT4]
WEAPON-X: 112mm Throttle Body Adapter [LS LT1 LT4]
New Sale
$72.00 $80.00
Billet Nick Williams 112 Throttle Body Adapter Fits: LS2 LS3 LS6 LS7 LS9 LSA LT1 LT4 Camaro Corvette CTS-V G8...
Select options
Quick View
GM: LT4 High Pressure Fuel Pump [Camaro Corvette CTS V, LT1 LT4 LT5]
GM: LT4 High Pressure Fuel Pump [Camaro Corvette CTS V, LT1 LT4 LT5]
New Sale
$1,199.00 $1,399.00
DETAILS SKU: 12673410 Item #: 12673410 Availability Remarks: Replaced 12642287
Quick View
ICT: LT5 to LT4/LT1 95mm Throttle Body Adapter Plate [Camaro, Corvette, CTSV3, LT1 LT4]
ICT: LT5 to LT4/LT1 95mm Throttle Body Adapter Plate [Camaro, Corvette, CTSV3, LT1 LT4]
New
$60.99
Works with LT5 throttle bodies ONLY Made in the USA from aerospace grade billet aluminum Includes: adapter plate, bolts, and O-ring seal This part...
Quick View
WEAPON-X: LT Billet Valve Covers [Camaro Corvette CTS V, LT1 LT4 LT5]
WEAPON-X: LT Billet Valve Covers [Camaro Corvette CTS V, LT1 LT4 LT5]
New Sale
$849.00 $949.00
Valve Covers are one of the most overlooked upgrades on the modern LT engine and this solution will add both...
Select options
Quick View
GM: LT5 Throttle Body with Adapter [Camaro Corvette CTS V, LT1 LT4 LT5]
GM: LT5 Throttle Body with Adapter [Camaro Corvette CTS V, LT1 LT4 LT5]
New Sale
$250.00 $299.00
The 95mm LT5 throttle body is GM's new choice for their highest HP production car ever and this can be...
Select options
Quick View
WEAPON-X: LT5 95mm Ported Throttle Body [Camaro Corvette CTS V]
WEAPON-X: LT5 95mm Ported Throttle Body [Camaro Corvette CTS V]
New Sale
$180.00 $200.00
The WEAPON-X ported throttle bodies are quickly becoming notorious for quality, improved driveability, and power!  The 95mm LT5 throttle body...
Select options
Quick View
Katech: 103 Throttle Body [Corvette Camaro SS ZL1 CTS V, LT1 LT4]
Katech: 103 Throttle Body [Corvette Camaro SS ZL1 CTS V, LT1 LT4]
New
$729.99
103mm throttle body for Gen 5 LT1 LT4 vehicles with modified inlet.  This is a billet 5 axis CNC milled aluminum...
Select options
Quick View
ARP: Cam Bolts for 3 Bolt Cam 134-1003 [LS LT]
ARP: Cam Bolts for 3 Bolt Cam 134-1003 [LS LT] New
$8.21
End your camshaft timing worries! High-quality ARP cam bolts have increased preload clamping force to ensure positive timing gear register....
Quick View
DSX: Baro IAT Breakout Harness Gen V [Camaro, Corvette, CTS V, LT1 LT4 LT5]
DSX: Baro IAT Breakout Harness Gen V [Camaro, Corvette, CTS V, LT1 LT4 LT5] New Sale
$100.00 $199.00
This harness is completely Plug-N-Play and allows you to remove the IAT from the MAF assembly's on C7 Corvette Stingrays...
Select options
Quick View
WEAPON-X: Whipple Griptec Pulley [Camaro Corvette CTS V, LT1 LT4 LT5]
WEAPON-X: Whipple Griptec Pulley [Camaro Corvette CTS V, LT1 LT4 LT5] New Sale
$249.00 $299.00
The WEAPON-X Griptec pulleys are the new latest and greatest in pulley technology for your LT1 LT4 or LT5 Whipple...
Select options
Quick View
Innovators West: 9% 18% Overdrive Harmonic Balancer [C7 Corvette Z06, LT4]
Innovators West: 9% 18% Overdrive Harmonic Balancer [C7 Corvette Z06, LT4]
New Sale
$555.00 $670.00
9% or 18% Overdrive SFI 18.1 9.50" OD Harmonic Balancer for GM 2015+ Z06 C7 Corvette. This damper is fully...
Select options
Quick View
ARP: Pro Series Head Stud Kit [Camaro, Corvette, CTS V, LT1 LT4 LT5]
ARP: Pro Series Head Stud Kit [Camaro, Corvette, CTS V, LT1 LT4 LT5] New Sale
$434.00 $555.00
ARP Pro Series cylinder head studs are cold-forged to ensure molecular integrity. They are heat-treated prior to thread rolling and...
Select options
Quick View
Morel: 5290 LS Link Bar Hydraulic Roller Lifters [LS LT]
Morel: 5290 LS Link Bar Hydraulic Roller Lifters [LS LT]
New Sale
$539.99 $549.99
Morel Link Bar Hydraulic Roller Lifters with stock .700" diameter wheels .842 body.  Link bars ensure that you'll never have...
Quick View
Gates Belt: Pulley Combos [C7 Corvette Z06 LT4]
Gates Belt: Pulley Combos [C7 Corvette Z06 LT4]
New Sale
$55.00 $65.00
** LIST MODEL YEAR IN NOTES AS 2015 is different than 2016+**Upping your HP by changing your pulley combo, but...
Quick View
LPE: Big Bore Fuel Pump [Camaro Corvette CTS V, LT1 LT4 LT5 L83 L86]
LPE: Big Bore Fuel Pump [Camaro Corvette CTS V, LT1 LT4 LT5 L83 L86] New Sale
$2,975.00 $2,995.00
Pushing more power than your OEM LT1 or LT4 mechanical fuel pump can supply?  Upgrade to this mechanical pump and...
Quick View
GM: Exhaust Manifold Gaskets [Camaro Corvette CTS V, LT1 LT4 LT5]
GM: Exhaust Manifold Gaskets [Camaro Corvette CTS V, LT1 LT4 LT5] New
$21.00
Header gaskets for LT1 LT4 LT5 heads sold in pairs.
Quick View
GM: PCM [Camaro Corvette CTS V ATS V SS G8 GTO]
GM: PCM [Camaro Corvette CTS V ATS V SS G8 GTO] New Sale
$389.00 $449.00
Looking for a tune but for various reasons you don't want to overwrite your stock PCM?  Buy a spare unit,...
Select options
Quick View
BTR: LT Chromoly 5/16" Pushrods [Camaro Corvette CTS V, LT1 LT4 LT5]
BTR: LT Chromoly 5/16
New
$119.00
Chromoly One Piece Pushrods for C7 Corvette Stingray, Grand Sport, Camaro SS, 1LE gen 5 LT1, C7 Z06, Camaro ZL1,...
Select options
Quick View
ATI: Super Damper up to 15% [C7 Corvette, Z06, LT1 LT4]
ATI: Super Damper up to 15% [C7 Corvette, Z06, LT1 LT4] New Sale
$510.00 $549.00
ATI Performance Products, Inc. is proud to introduce its all new Super Damper for the 2014+ Corvette Stingray 6.2L, LT1...
Select options
Quick View
JW: Flexplate SFI Approved [LSA LSX LT1 LT4 LT5]
JW: Flexplate SFI Approved [LSA LSX LT1 LT4 LT5] New
$380.00
The Wheel, the best known and highest money winning flexplate on the market continues to evolve! Available in a heavy...
Quick View
Katech: C5R Billet Timing Chain [LS LT Camaro Corvette CTS V G8 SS]
Katech: C5R Billet Timing Chain [LS LT Camaro Corvette CTS V G8 SS] New Sale
$159.99 $174.00
Induction hardened and precision machined steel billet gears for bullet proof durability. Feature 9 keyway crank sprocket for 2-degree incremental...
Select options
Quick View
Elite Engineering: Standard Catch Can
Elite Engineering: Standard Catch Can
New Sale
$155.00 $160.00
The PCV (Positive Crankcase Ventilation) system is designed to remove fumes from the engine crankcase, and alleviate crankcase pressure which...
Select options
Quick View
FP: Thermal Reduction Plates [C7 Corvette Z06, Camaro ZL1, CTS V, LT4]
FP: Thermal Reduction Plates [C7 Corvette Z06, Camaro ZL1, CTS V, LT4]
New Sale
$449.00 $749.00
Whether you're running stock boost on the supercharged C7 Z06 or an upgraded pulley kit, you're already aware of the...
Quick View
FIC: +30% LT4 Injectors [Camaro Corvette CTS V, LT1 LT4 LT5]
FIC: +30% LT4 Injectors [Camaro Corvette CTS V, LT1 LT4 LT5] New
$420.00
Pushing more power than your OEM LT1 LT4 LT5 injectors can supply?  Upgrade to these injectors and get up to...
Select options
Quick View
GM: Head Gaskets [C7 Corvette, Camaro ZL1, CTS V, LT4 LT5]
GM: Head Gaskets [C7 Corvette, Camaro ZL1, CTS V, LT4 LT5] New Sale
$120.00 $150.00
GM 7-layer head gasket LT4 LT5, sold in pairs Chevrolet Performance Multilayer Head Gasket for LT4 and LT5 engines.  These...
Quick View
Mighty Mouse: Oil Fill -AN Adapters
Mighty Mouse: Oil Fill -AN Adapters
New Sale
$40.00 $45.00
These Direct mount on LS and other valve covers that fit an LS type oil cap to provide a new...
Select options
Quick View
WEAPON-X: PD Supercharger Camshaft Kit [C7 Corvette Z06, Z07, LT4]
WEAPON-X: PD Supercharger Camshaft Kit [C7 Corvette Z06, Z07, LT4]
New Sale
$1,199.00 $1,299.00
Looking to make more efficient positive displacement supercharged power and more aggressive lope (increasing by stages below) in your C7 Corvette...
Select options
Quick View
Diamond Pistons LT 4.065" Drop-In [Camaro, Corvette, CTS V, LT4 LT5]
Diamond Pistons LT 4.065 New Sale
$1,059.00 $1,099.00
Whether you're looking to bump the compression on your motor, or you're looking to replace the stock pistons without having...
Select options
Quick View
RX: Monster Catch Can
RX: Monster Catch Can New
$359.00
The RX "MONSTER" oil catch can is for the huge boost built applications and works unreal well at providing proper...
Select options
Quick View
WEAPON-X: 370cfm LT4 4.065" Ported Cylinder Heads [Camaro ZL1, Corvette Z06 ZR1, CTS V, LT4 LT5]
WEAPON-X: 370cfm LT4 4.065
New Sale
$1,999.00 $2,199.00
The 2015+ LT4 and LT5 C7 Corvette Z06 ZR1, 2017+ 6th gen Camaro ZL1, and the CTS V gen 3...
Select options
Quick View
Comp Cams: Hardened Pushrods [C7 Corvette Camaro CTS V, LT1 LT4]
Comp Cams: Hardened Pushrods [C7 Corvette Camaro CTS V, LT1 LT4]
New Sale
$110.00 $115.00
If you're doing head work on your new LT1 or LT4 power house, you'll want to replace the factory pushrods...
Select options
Quick View
Comp Cams: Lifters [Camaro Corvette CTS V, LS LT]
Comp Cams: Lifters [Camaro Corvette CTS V, LS LT] New
$274.95
Getting rid of the factory AFM for a more aggressive cam and performance? Take a look what the pros at...
Quick View
LMR: Forced Induction Catch Can Kit [C7 Corvette, Z06, LT1 LT4]
LMR: Forced Induction Catch Can Kit [C7 Corvette, Z06, LT1 LT4] New Sale
$699.00 $749.00
The stock configuration on the 2014+ C7 Corvette Stingray pulls fouled air from the valve covers to evacuate crankcase pressure....
Quick View
RX: Clean Air Oil Separator
RX: Clean Air Oil Separator New Sale
$99.00 $149.00
Designed for the LS and LT dry sumps. This newly re-designed unit now features a threaded billet capwhich disassembles for...
Quick View
Nick Williams: LT 112mm Throttle Body [Corvette Camaro CTS V, LT1 LT4 LT5]
Nick Williams: LT 112mm Throttle Body [Corvette Camaro CTS V, LT1 LT4 LT5]
New
$899.00
Nick Williams made 112mm throttle body for Gen 5 LT1 LT4 vehicles with modified inlet.  This is a billet 5 axis...
Select options
Quick View
WEAPON-X: Whipple "Whiplash" Camshaft Kit [C7 Corvette Z06, Z07, LT4]
WEAPON-X: Whipple
New Sale
$949.00 $1,099.00
Running the 2.9L Whipple supercharger and need the perfect cam for more power and a nice aggressive lope on the stock converter in...
Select options
Quick View
DMS: 2014-19 Chevrolet Corvette C7 Z06 Engine Bay Tank
DMS: 2014-19 Chevrolet Corvette C7 Z06 Engine Bay Tank
New Sale
$599.00 $649.00
The DMS engine bay tank is designed specifically for the C7 Corvette. It holds ~2 Gallons of additional coolant and...
Quick View
WEAPON-X: Procharger F1 "Twister" Camshaft Kit [C7 Corvette Z06, LT4]
WEAPON-X: Procharger F1
New Sale
$949.00 $1,099.00
When 3 digit power is child's play, you turn to the Procharger F1A-94 or F1-X Kits and you and need...
Select options
Quick View
BTR: LT4 .660" Double Spring Kit [Corvette Z06 ZR1, Camaro ZL1, CTS V, LT4 LT5]
BTR: LT4 .660 New Sale
$309.00 $329.00
.660" Lift Dual Spring Kit for Gen V LT4 LT5 engines using stock rocker arms.  Includes dual polished springs, matching...
Select options
Quick View
Katech: Piston Oil Squirters [LS LT Camaro Corvette G8 SS]
Katech: Piston Oil Squirters [LS LT Camaro Corvette G8 SS]
New
$899.00
When stroking a stock motor or sleeving a motor with oil squirters, they have to be removed. Katech has the...
Quick View
Comp Cams: Cam Phase limiter [Corvette Camaro CTS V, LT1 LT4 LT5]
Comp Cams: Cam Phase limiter [Corvette Camaro CTS V, LT1 LT4 LT5] New
$55.00
Comp Cams Gen 5 Cam Phase limiter kit #5456
Quick View

Scroll To Top