OEM GM 3-BAR ZR1 GEN IV MAP SENSOROEM GM 3 BAR ZR1 GEN IV MAP SENSOR PART #55567257 12592525 This is the OEM GM map sensor used on the 2009 2013 ZR1 6. 2L supercharged engines and is the perfect replacement for guys that need 3 bar resolution for forced induction map based tuning when using the current TBSS intake castings or 2009 2013 GM truck intake manifolds. NOTE: 1999 2008 truck applications will require a Gen 3 to Gen 4 map sensor plug adapter and updates to map sensor

The PAC-1218 Spring Kit is a drop-in high performance spring kit for all OE LS cylinder heads and is rated for up to

Integrated Datalogging to the 3

1 3/4" OR 1 7/8" Primaries

The Stage 4 235/248 camshaft is the perfect choice for customers wanting the MOST powerful camshaft available that still offers adequate piston-to-valve clearance on a stock short-block

5") Differential

Bright dip

Why pay competitors $1

Timing Cover Bolts

3L LS and want to turn the boost all the way up

5 92-795254DP 18x5 92-850247DP 18x8

Upgrades stock LS series rocker arms w/ captured roller trunnions for modified applications

Size Part Number 17x7 93-770747C 17x9