Holden V8 253 304 308 Oil Pan Sump Bolt Kit Black

Holden V8 253-304-308 Oil Pan Bolt Kit – Black Finish

Secure and protect your Holden V8 oil pan with Aeroflow Performance’s Black Finish Oil Pan Bolt Kit. Designed to hold the pan and gasket firmly in place, these 12-point head bolts are engineered to resist loosening under engine vibration, helping extend gasket life and simplify maintenance on 253-308 V8 applications.

What’s included

• 12 x 12 Point Bolts (1/4"-20 thread) – Under Head Length 12.8 mm; Head Diameter 13.25 mm
• 4 x 12 Point Long Bolts (1/4"-20 thread) – Under Head Length 15.5 mm; Head Diameter 13.25 mm
• 4 x 12 Point Bolts (5/16"-18 thread) – Under Head Length 18.45 mm; Head Diameter 13.50 mm
• 16 x Flat Small Washers – 13.90 mm Outside Diameter; 6.50 mm Inside Diameter; 1.9 mm Thickness
• 4 x Flat Large Washers – 16.40 mm Outside Diameter; 8.30 mm Inside Diameter; 1.9 mm Thickness

Materials and construction

Crafted from aircraft-quality 8740 high-tensile chromoly steel and cold-forged to maximize molecular integrity, these bolts are built for repeated use and enduring gasket life. Each bolt features a small 12-point head paired with hardened parallel washers to ensure even load distribution and accurate torque readings.

Why this kit stands out

• Professional-grade fasteners designed specifically for Holden V8 253-308 oil pans
• Black finish provides corrosion resistance and a cohesive engine bay look
• Re-usable bolts help save costs over time while maintaining secure sealing
• Varied bolt lengths and washers ensure proper fitment across all mounting points
• 12-point head and matched washers deliver precise torque and reliable gasket sealing

Applications and compatibility

Optimized for Holden V8 engines with 253, 304, and 308 oil pans. This kit provides the exact fasteners and hardware required to secure the oil pan and gasket, delivering dependable performance in daily driving or performance setups alike.