HUMMER H3 Camshafts & Valvetrain

Valve, Exhaust, OEM Replacement, 1.55 in. Diameter, .313 in. Stem, 4.920 in. Length, GM/Chevy, GenIII/IV LS, Each

Part Number: MEL-V1935

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Today

Pushrod, Steel, 5/16 in. Diameter, 7.397 in. Length, Ball Ends, Each

Part Number: MEL-MPR-614

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Engine Valve Spring, Standard, Replacement, Single, Buick, Cadillac, Chevrolet, GMC, Isuzu, Pontiac, Saab, LS Engine, Each

Part Number: ADO-12706568

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• $20.00 Summit Bucks

Valve Spring Retainers, Steel, Stock, Each

Part Number: NAL-10166344

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Rocker Arm Hold-Down Bolts, GM Genuine Parts, Hex Head, Steel, Black Oxide, Designed for L92 and Cathedral Port Heads, Chevy, Small Block LS, Each

Part Number: ADO-12560961

Not Yet Reviewed

Estimated Ship Date: Today

• $20.00 Summit Bucks

Valve Lock, 7 degree, Stamped Steel, 1-groove Beadlock-style, 8mm Stem Diameter, Each

Part Number: NAL-10166345

Not Yet Reviewed

Estimated Ship Date: Today

Retainer, Rocker Arm Replacement Component, Chevy, Each

Part Number: CCA-137023

Not Yet Reviewed

Estimated Ship Date: Today

Valve Spring, L76/L92 Style,.520 Max lift, Single Beehive, 1.290 in. o.d., 1.230 in. Coil Bind, 1.800 in. Installed Height, Each

Part Number: NAL-12706568

Not Yet Reviewed

Estimated Ship Date: Today

Rocker Arm Trunnion, Chevy, Each

Part Number: CCA-137021

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

Rocker Arms, ACDelco GM Genuine Parts Rocker Arms, Steel, Roller Fulcruml, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Saab, Saturn, Each

Part Number: ADO-24100294

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

Camshaft Sprocket Bolt, Steel, Zinc Phosphate, Chevy, L4/L5/L6, Each

Part Number: ADO-12565425

Not Yet Reviewed

Estimated Ship Date: Today

• $20.00 Summit Bucks

Valve Lock, Replacement, 0.185 in. Stem Diameter, Stock Style Lock, 2-Groove, Steel, Buick, Cadillac, Chevy, GMC, Hummer, Oldsmobile, Pontiac, Each

Part Number: NAL-90354648

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

SPRING,VLV

Part Number: ADO-12596078

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

Valve Spring Retainer, Replacement, OEM Style, Steel, Standard, 0.732 in. OD, 0.299 in. ID, 0.059 in. Thick, Buick, Cadillac, Chevy, GMC, Hummer, Each

Part Number: NAL-12575196

Not Yet Reviewed

Estimated Ship Date: Today

ROD CHRM MOLY ENG VLV PUSH

Part Number: MEL-500704

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

• Special Order

Guideplates, Flat Style, Steel, Black Oxide, 3/8 in. Pushrod, 8mm Stud, Chevy, Pontiac, 5.7L LS, Each

Part Number: CCA-4856-1

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

• Drop Ship
• Special Order

F-PIN-CM/SH

Part Number: NAL-24575061

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

• Special Order

Lifters, Standard Replacement, Hydraulic Lash Adjuster, Replaces 4200186100, Buick, Cadillac, Chevy, GMC, Oldsmobile, SAAB, Suzuki, Each

Part Number: IFE-VT0186

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

• Special Order

Engine Valve Spring, Engine Valve Spring, SPRING-VLV

Part Number: ADO-12592506

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

VALVE,INT

Part Number: ADO-12623722

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

Engine Valve Spring Retainer, Engine Valve Spring Retainer, RETAINER-VLV SPR

Part Number: ADO-12575196

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

BOLT,CM/SHF BRG CAP

Part Number: ADO-12570816

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

Valve Spring Retainer Keeper, Engine Valve Spring Retainer Keeper, KEY,VLV STEM

Part Number: ADO-90354648

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order