Tuned Port Induction Specialties Inc.
In addition to its mail-order crate engine offerings, TPIS offers full tuning and dyno services for your EFI GM, and can supply computers and wiring for street rod applications as well. When looking at these engine packages, note that any camshafts may be replaced with other TPIS designs, aftermarket heads may be substituted, and displacement may be changed to suit a desired combination.

402CI LS LONG-BLOCK
COMPANY: TPI Specialties Inc.
BLOCK: LS2, aluminum, used
DISPLACEMENT: 402ci (6.6L)
COMPRESSION RATIO: 11.0:1
CRANKSHAFT: 4.000-inch, Callies, forged
RODS: 6.125-inch, Manley Sportsmaster
PISTONS: 4.005-inch, Manley, forged with offset pins
RINGS: Speed-Pro file fit plasma-moly
ROD BEARINGS: Clevite 77
MAIN BEARINGS: Clevite 77
CAM BEARINGS: Clevite 77
BOLTS: GM
HEADS: GM LS6/LS2, aluminum, TPIS CNC-ported
HEAD GASKETS: GM MLS
CAM: TPIS ZL-15, hydraulic roller, 236/241 duration at .050, .600/.566-inch lift
LIFTERS: GM
PUSHRODS: Manley, 7.400-inch hardened one-piece 5/16
ROCKER ARMS: GM
VALVESPRINGS: Manley with titanium retainers
INTAKE MANIFOLD: no
THROTTLE BODY: no
FUEL INJECTORS: no
MAF: no
WIRING HARNESS: no
PCM: no
CORE CHARGES: block $250.00, heads $1,000.00
WARRANTY: 1 year (parts and labor)
PRICE: $8,500.00
COMMENTS: Includes a Cloyes Hex-A-Just timing set. This is a longblock only, but can be upgraded to any level of completion.