CHEVROLET Chevy small block Gen III/IV (LS-based engines) Rocker Arm Trunnion Upgrade Kits

Gen. 3/4 Chevy LS Rocker Arm Trunnion Upgrade Kit, Bronze Bushing, Retrofit, Rectangle and Cathedral Port Rockers, Set of 16

Part Number: SUM-141560

4.33 out of 5 stars ( 70 )

Estimated Ship Date: Monday 12/8/2025

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Rocker Arm Trunnion Upgrade Kit, Needle Bearing, Chevy, LS, Kit

Part Number: BTC-TK002NB

4.17 out of 5 stars ( 12 )

Estimated Ship Date: Monday 12/8/2025

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Rocker Arm Trunnion Upgrade Kit, Needle Bearing Style, Chevy, Small Block LS, Kit

Part Number: BTC-BTRTK001

4.36 out of 5 stars ( 67 )

Estimated Ship Date: Monday 12/8/2025

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Rocker Arm Trunnion Upgrade Kit, Upgrade, GM, Gen. 3/4 LS Cathedral or Rectangle Port Rockers, Set of 16

Part Number: CCA-13702-KIT

4.49 out of 5 stars ( 79 )

Estimated Ship Date: Monday 12/8/2025

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Rocker Arm Trunnion Upgrade Kit, Needle Bearing, Roller Fulcrum, Chevrolet, 5.3L/6.2L/6.6L Gen V, 7.0L LS, Kit

Part Number: BTC-TK027

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/8/2025

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Rocker Arm Trunnion Upgrade Kit, Trunnion Upgrade, Includes Installation Tool, Buick, Cadilac, Chevy, GMC, LS, Kit

Part Number: CCA-13702TL-KIT

4.78 out of 5 stars ( 23 )

Estimated Ship Date: Monday 12/8/2025

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Rocker Arm Trunnion Upgrade Kit, Needle Bearing, GM, LS1/LS3/LS7, Set of 16

Part Number: TFS-30700500

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025

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Rocker Arm Trunnion Upgrade Kit, Needle Bearing Style, Chevy, Small Block LS, Set of 16

Part Number: PQX-1213462

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/8/2025

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Trunnion Upgrade Kit for GM LS7 and Gen V LT1, Set of 16

Part Number: CCA-13704-KIT

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/8/2025

• Free Shipping

Rocker Arm Trunnion Upgrade Kits, Needle Bearing Style, Trunnions, Bearings, Clips, For Stock LS7, Gen V LT1/LT4 Rocker Arms, KIt

Part Number: BTC-BTRTK007

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025

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Trunnion Upgrade for GM LS7 and GEN V LT1 w/ Disassembly Tool, Kit

Part Number: CCA-13704TL-KIT

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

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• Special Order

Trunnion Bushing, Upgrade, Chevrolet, Small Block LS, Each

Part Number: BTC-LSTB

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025