2003 Holley Engines & Components

Oil Fill Caps, LS Engine, Twist-in, Octagon Shape, Natural, Aluminum Cap, O-ring Included, for Holley LS Valve Covers, Each

Part Number: HLY-241-225

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/5/2026

Harmonic Balancer Bolts, Replacement, Steel, Black E-Coat, 1/2 in.-20 Thread, 2.5 in. Long, 12-Point Head, Washer included, Chevy, 6.5-8.1L, Each

Part Number: HLY-97-321

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/5/2026

Oil Fill Caps, LS Engine, Twist-in, Octagon Shape, Black, Plastic, Billet Aluminum Insert, Domed Holley Decal, Each

Part Number: HLY-241-224

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026