TPIS SBC/LT Valve Spring Compressor Tool This tool makes it easy to change valve springs on SBC and LT engines! Perfect for 4th Gen Camaro/Firebird with low clearance where the cowl is over the...

TPIS 1987-1997 Hydraulic Roller Lifters Factory premium hydraulic roller lifters fit all roller blocks 87-97. uses the stock independent link bar with spider retainer. Set of 16.

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...

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 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...

Retainers, Valve Spring Retainers, Ultra Light Weight.   Ultra light weight steel retainer for 6.VSP505 and 6.VSP510 springs. These are a great alternative to expensive titanium...

Retainers, Valve Spring Retainers, Titanium.   Premium Titanium retainer for 6.VSP500 valve spring. These light weight retainers are able to give you an extra 200-300rpm before valve float...

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...

Single Hydraulic Roller Valve Springs, Set.   A single spring with damper for TPIS line of hydraulic roller camshafts. 115lbs of seat pressure @ 1.800" installed height and 325lbs at 1...