Availability
BTR VALVE SPRING KIT FOR LT1/L83, .685 SPRING W/ VALVE TIP SAVER
Part Number: BTC-S0523
Not Yet Reviewed
Estimated Ship Date: Nov 3, 2025 if ordered today
Estimated Ship Date: Nov 3, 2025 if ordered today
BTR LS9 .685" LIFT VALVE SPRING KIT
Part Number: BTC-S0525
Not Yet Reviewed
Estimated Ship Date: Nov 3, 2025 if ordered today
Estimated Ship Date: Nov 3, 2025 if ordered today
BTR .685" LIFT GEN V LT4 SPRING KIT
Part Number: BTC-S0526
Not Yet Reviewed
Estimated Ship Date: Nov 3, 2025 if ordered today
Estimated Ship Date: Nov 3, 2025 if ordered today
BTR .685" GEN V LT4 SPRING KIT BRONZE GUIDES
Part Number: BTC-S0527
Not Yet Reviewed
Estimated Ship Date: Nov 3, 2025 if ordered today
Estimated Ship Date: Nov 3, 2025 if ordered today
Valve Spring Kit, Platinum, Dual, Standard, Steel Retainer, 0.060 in. Thick, 462 lbs./in. Spring Rate, Factory Valve Guides, Kit
Part Number: BTC-SK004-S-6560
Not Yet Reviewed
Estimated Ship Date: Nov 3, 2025 if ordered today
Estimated Ship Date: Nov 3, 2025 if ordered today
.650" Lift BTR Max Pressure Gen II LT Spring Kit; TI Retainers
Part Number: BTC-SK004-T-0560
Not Yet Reviewed
Estimated Ship Date: Nov 3, 2025 if ordered today
Estimated Ship Date: Nov 3, 2025 if ordered today
Cam Stage1 STD Firing Order 2001-2016 GM 6.6L - PPE
Part Number: PPE-118026010
Not Yet Reviewed
Estimated Ship Date: Oct 29, 2025 if ordered today
Estimated Ship Date: Oct 29, 2025 if ordered today
BBC 800 LIFT SPG KIT
Part Number: PMX-7121
Not Yet Reviewed
Estimated Ship Date: Nov 24, 2025 if ordered today
Estimated Ship Date: Nov 24, 2025 if ordered today
Gear Drive, Single Idler, Chevy, Small Block, Set
Part Number: MIL-12000
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Camshaft, 4/7 Swap, Hydraulic Roller Tappet, Advertised Duration 280/290, Lift .560/.560, Pontiac, V8, Each
Part Number: HRS-414345-12
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Camshafts, Cam, Pontiac V-8, Hydraulic Roller
Part Number: HRS-414495-12
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Camshaft, Hydraulic Roller Tappet, Rattler, Advertised Duration 280/288, Lift .525/.530, Pontiac, V8, Each
Part Number: HRS-418005-09
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Valve Springs, Valve Spring, Dual, 1.550 OD
Part Number: HRS-98815
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
VALVE SPRINGS
Part Number: HRS-98843
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Valve Springs, Valve Spring, Triple, 1.645 OD, .635 ID
Part Number: HRS-98846
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Not Yet Reviewed
Estimated Ship Date: Today
VALVE SPRINGS
Part Number: HRS-98875
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Valve Spring, Triple, 1.681 OD
Part Number: HRS-98893
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Valve Springs, Valve Spring, Dual, 1.300
Part Number: HRS-98335
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Valve Springs, Valve Spring, Triple, 1.645 OD, .635 ID
Part Number: HRS-98847
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Valve Springs, Valve Spring, Dual, 1.304 OD, .680 ID
Part Number: HRS-98122
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Timing Cover, Belt Drive, 94900
Part Number: HRS-94980
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
DUAL VALVE SPRING
Part Number: HRS-98037
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Camshaft, 4/7 Swap, Mechanical Roller Tappet, Advertised Duration 301/309, Lift .650/.650, Chevy, Small Block
Part Number: HRS-114983-06
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Camshaft, 4/7 Swap, Mechanical Roller Tappet, Advertised Duration 317/327, Lift .810/.765, Chevy, Big Block, Each
Part Number: HRS-124033-12
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Cam, BB Chev, Mech Rlr, Custom
Part Number: HRS-129998
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
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