Camshaft, TPIS ZZx Hydraulic Roller Camshaft, 87-94 SBC/LT1 This is the largest hydraulic cam TPIS' offer for the SBC/LT engines.  This cam with its 239 degrees of duration and .558"...

Hardened Pushrods, 7.3L, SBC/LT1.   These 5/16 Pushrods are 7.3" long and are made from 4130 Chromoly with .080" wall thickness. They have meticulously formed ends with exact radii, excellent...

The TPiS AirFoil is one of the first parts to start the EFI performance movement in the late 1980's. This part is why TPiS exists! It is very easy to install, taking only about five minutes. When...

Camshaft, TPIS 242/242i Solid Roller Camshaft, 87-92 SBC. This tight lash solid roller camshaft works great on a high rpm 350, but is ideally suited for a 383ci or larger engine.  Perfect for...

Camshaft, TPIS ZZ10 Hydraulic Roller Camshaft, 87-94 SBC/LT1. This 233/240 split duration cam is a good choice for a large displacement LT or small block fitted with a MiniRam intake.  Its ...

Camshaft, TPIS ZZ409 Hydraulic Roller Camshaft, 87-94 SBC/LT1. This is TPIS' most popular cam for the SBC/LT engines.  It is simply awesome!  The .520" lift, 226 duration single...

Camshaft, TPIS ZZ9X Hydraulic Cam, 87-94 SBC/LT1. Designed specifically for forced induction and nitrous engines, this cam takes the intake lobe with 226 duration and .520" lift from our ZZ409 and...

Seats, Hardened Spring Seats for Item # 6.VSP505 & 6.VSP510.   Premium hardened spring seats made of 4130 chromoly steel and black oxide finished. This set of seats are specifically...

Seats, Hardened Spring Seats for Item # 6.VSP515.   Premium hardened spring seats made of 4130 chrome moly steel and black oxide finished. This set of seats are specifically for 6.VSP515...

Seats, Hardened Spring Seats.   Premium hardened spring seats made of 4130 chrome moly steel and black oxide finished. This set of seats are specifically for 6.VSP500 valve springs. Set...

Dual Spring Valve Springs, Set.   This is a dual coil spring with damper measuring 1.437" outside diameter and .630 ID. The seat pressure is 140lbs at an installed height of 1.750" and open...

Flat Tappet Valve Springs, Set.   Made for TPIS 276/286 and 280/280 Hyd. flat tappet camshafts, this single spring with damper has an OD of 1.250" and an ID of .880". The seat pressure is...