CHEVROLET PERFORMANCE HIGH VOLUME OIL PUMP - 12710303These Chevrolet Performance high volume oil pumps are designed to be direct replacement for your stock pump. Supersedes GM part # 12678151, 12696357 You have the option to also include the pickup tube o ring. There are two options, as listed below. If you are unsure of what your application takes, we recommend purchasing both just in case. Chevrolet Performance Oil Pickup Tube O Ring 12557752 (Blue): Thickness = 3. 55mm (0. 140") ID = 23. 60mm (0.

and timing verification are critical

Recommended Stall Converter: 3000-4500

standard filtered vent fitting or boost reference fitting (1:1 compensation ratio)

Part Number 25-1057 Part Type Shorty Headers Brand Speed Engineering Vehicle 1964-1981 GM Car Material Stainless Steel

increased strength & improved heat dissipating characteristics

Other LS swaps requiring low profile "hugger" style headers

0L iron blocks as well as 5

12 X 1-1/8 X 26 SPLINE INCLUDES STEEL FLYWHEEL - 75323

and may require aftermarket spark plug wires

660" Lift Dual Spring Kit for Gen V engines using stock rocker arms

but will realize substantial performance increases when used with headers

Can be set up with -6AN or OEM quick connect fittings